Critical security advisoryCriticalFlagged by our vulnerability database: PHP2Shell is on CISA’s exploited list. Most WordPress hosting runs PHP. See if your site is affectedFlagged by our vulnerability database: PHP2Shell is being exploited. DetailsExploited: PHP2Shell. Check your site
HuttenlocherTechnologies
Updated 5 h ago

Vulnerability database

Every flaw the U.S. government’s cybersecurity agency (CISA) has confirmed attackers are using, plus the new WordPress plugin and theme bugs published each day, sorted by what they mean for a small business. We refresh it twice a day. If you see something your website or office runs, tell us.

1,762exploited flaws on CISA’s list
34added in the last 30 days
344new WordPress flaws this week
390,080entries in the database

153 results · page 2 of 4

  • Jun 19, 2020An issue was discovered in Mattermost Server before 3.9.0 when SAML is used.CVE-2017-18909 · Other software · Mattermost · reported by MITREHigh 7.5

    An issue was discovered in Mattermost Server before 3.9.0 when SAML is used. Encryption and signature verification are not mandatory.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2.CVE-2017-18904 · Other software · Mattermost · reported by MITREMedium 6.1

    An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2. It allows XSS via an uploaded file.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2.CVE-2017-18903 · Other software · Mattermost · reported by MITREHigh 8.8

    An issue was discovered in Mattermost Server before 4.0.0, 3.10.2, and 3.9.2. CSRF can occur if CORS is enabled.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3.CVE-2017-18902 · Other software · Mattermost · reported by MITREMedium 5.3

    An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3. It allows attackers to discover team invite IDs via team API endpoints.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3.CVE-2017-18901 · Other software · Mattermost · reported by MITREMedium 5.3

    An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3. It allows attackers to discover a team invite ID by requesting a JSON document.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3.CVE-2017-18900 · Other software · Mattermost · reported by MITRECritical 9.8

    An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3. It allows CSV injection via a compliance report.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5.CVE-2017-18899 · Other software · Mattermost · reported by MITREMedium 5.3

    An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It mishandles IP-based rate limiting.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5.CVE-2017-18898 · Other software · Mattermost · reported by MITREMedium 5.3

    An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows crafted posts that potentially cause a web browser to hang.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5, when used as an OAuth 2.0 service provider.CVE-2017-18897 · Other software · Mattermost · reported by MITREMedium 6.1

    An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5, when used as an OAuth 2.0 service provider. It mishandles a deny action for a redirection.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5.CVE-2017-18896 · Other software · Mattermost · reported by MITREMedium 5.3

    An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows attackers to add DEBUG lines to the logs via a REST API version 3 logging endpoint.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5.CVE-2017-18895 · Other software · Mattermost · reported by MITREMedium 5.3

    An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows attackers to obtain sensitive information (user statuses) via a REST API version 4 endpoint.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5, when used as an OAuth 2.0 service provider.CVE-2017-18894 · Other software · Mattermost · reported by MITREHigh 8.1

    An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5, when used as an OAuth 2.0 service provider. Sometimes. resource-owner authorization is bypassed, allowing account takeover.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5.CVE-2017-18893 · Other software · Mattermost · reported by MITREMedium 6.1

    An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. Display names allow XSS.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5.CVE-2017-18892 · Other software · Mattermost · reported by MITREMedium 6.1

    An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. E-mail templates can have a field in which HTML content is not neutralized.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5.CVE-2017-18891 · Other software · Mattermost · reported by MITREMedium 6.1

    An issue was discovered in Mattermost Server before 4.2.0, 4.1.1, and 4.0.5. It allows Phishing because an error page can have a link.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2.CVE-2017-18890 · Other software · Mattermost · reported by MITREMedium 4.3

    An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows an attacker to create a button that, when pressed by a user, launches an API request.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2.CVE-2017-18889 · Other software · Mattermost · reported by MITREMedium 4.3

    An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. An attacker could create fictive system-message posts via webhooks and slash commands, in the v3 or v4 REST API.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2.CVE-2017-18888 · Other software · Mattermost · reported by MITRECritical 9.8

    An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows SQL injection during the fetching of multiple posts.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2.CVE-2017-18887 · Other software · Mattermost · reported by MITREMedium 5.3

    An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It discloses the team creator's e-mail address to members.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2.CVE-2017-18886 · Other software · Mattermost · reported by MITREHigh 8.8

    An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows a bypass of restrictions on use of slash commands.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2.CVE-2017-18885 · Other software · Mattermost · reported by MITRECritical 9.8

    An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows attackers to gain privileges by accessing unintended API endpoints on a user's behalf.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2.CVE-2017-18884 · Other software · Mattermost · reported by MITREHigh 8.1

    An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows attackers to gain privileges by using a registered OAuth application with personal access tokens.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2, when serving as an OAuth 2.0 Service Provider.CVE-2017-18883 · Other software · Mattermost · reported by MITRECritical 9.1

    An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2, when serving as an OAuth 2.0 Service Provider. There is low entropy for authorization data.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2.CVE-2017-18882 · Other software · Mattermost · reported by MITREMedium 6.1

    An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS can occur via OpenGraph data.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2.CVE-2017-18881 · Other software · Mattermost · reported by MITREMedium 6.1

    An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS could occur via a goto_location response to a slash command.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2.CVE-2017-18880 · Other software · Mattermost · reported by MITREMedium 6.1

    An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS could occur via the title_link field of a Slack attachment.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2.CVE-2017-18879 · Other software · Mattermost · reported by MITREMedium 6.1

    An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. XSS could occur via the author_link field of a Slack attachment.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2.CVE-2017-18878 · Other software · Mattermost · reported by MITREMedium 4.3

    An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. Knowledge of a session ID allows revoking another user's session.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used.CVE-2017-18874 · Other software · Mattermost · reported by MITREMedium 6.5

    An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used. A System Admin can achieve directory traversal.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.7.0, 4.6.2, and 4.5.2.CVE-2018-21264 · Other software · Mattermost · reported by MITREHigh 8.8

    An issue was discovered in Mattermost Server before 4.7.0, 4.6.2, and 4.5.2. It did not enforce the expiration date of a SAML response.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 5.1.CVE-2018-21256 · Other software · Mattermost · reported by MITREMedium 4.3

    An issue was discovered in Mattermost Server before 5.1. It allows attackers to bypass intended access restrictions (for group-message channel creation) via the Group message slash command.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 5.2, 5.1.1, 5.0.3, and 4.10.3.CVE-2018-21252 · Other software · Mattermost · reported by MITREMedium 4.3

    An issue was discovered in Mattermost Server before 5.2, 5.1.1, 5.0.3, and 4.10.3. Attackers could use multiple e-mail addresses to bypass a domain-based policy for signups.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2.CVE-2017-18873 · Other software · Mattermost · reported by MITREMedium 5.3

    An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2. It allows attackers to cause a denial of service (channel invisibility) via a misformatted post.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 4.4.3 and 4.3.3.CVE-2017-18872 · Other software · Mattermost · reported by MITREMedium 4.3

    An issue was discovered in Mattermost Server before 4.4.3 and 4.3.3. Attackers could reconfigure an OAuth app in some cases where Mattermost is an OAuth 2.0 service provider.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 5.7.CVE-2019-20890 · Other software · Mattermost · reported by MITREMedium 4.3

    An issue was discovered in Mattermost Server before 5.7. It allows a bypass of e-mail address discovery restrictions.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 5.7, 5.6.3, 5.5.2, and 4.10.5.CVE-2019-20889 · Other software · Mattermost · reported by MITREMedium 5.3

    An issue was discovered in Mattermost Server before 5.7, 5.6.3, 5.5.2, and 4.10.5. It mishandles permissions for user-access token creation.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 5.7, 5.6.3, 5.5.2, and 4.10.5.CVE-2019-20888 · Other software · Mattermost · reported by MITREHigh 7.5

    An issue was discovered in Mattermost Server before 5.7, 5.6.3, 5.5.2, and 4.10.5. It allows attackers to cause a denial of service (memory consumption) via an outgoing webhook or a slash command integration.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 5.7.1, 5.6.4, 5.5.3, and 4.10.6.CVE-2019-20887 · Other software · Mattermost · reported by MITREMedium 4.3

    An issue was discovered in Mattermost Server before 5.7.1, 5.6.4, 5.5.3, and 4.10.6. It does not honor flags API permissions when deciding whether a user can receive intra-team posts.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 5.8.0.CVE-2019-20886 · Other software · Mattermost · reported by MITREHigh 7.5

    An issue was discovered in Mattermost Server before 5.8.0. The first user is sometimes inadvertently a system admin.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 5.8.0.CVE-2019-20885 · Other software · Mattermost · reported by MITREHigh 7.5

    An issue was discovered in Mattermost Server before 5.8.0. It does not always generate a robots.txt file.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 5.8.0.CVE-2019-20884 · Other software · Mattermost · reported by MITREMedium 5.3

    An issue was discovered in Mattermost Server before 5.8.0. It allows attackers to partially attach a file to more than one post.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 5.8.0, when Town Square is set to Read-Only.CVE-2019-20883 · Other software · Mattermost · reported by MITREMedium 4.3

    An issue was discovered in Mattermost Server before 5.8.0, when Town Square is set to Read-Only. Users can pin or unpin a post.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 5.8.0.CVE-2019-20882 · Other software · Mattermost · reported by MITREMedium 5.3

    An issue was discovered in Mattermost Server before 5.8.0. It does not honor the domain requirement when processing a join request for an open team.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 5.8.0.CVE-2019-20881 · Other software · Mattermost · reported by MITREHigh 7.3

    An issue was discovered in Mattermost Server before 5.8.0. It mishandles brute-force attacks against MFA.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 5.8.0, 5.7.2, 5.6.5, and 4.10.7.CVE-2019-20880 · Other software · Mattermost · reported by MITREHigh 7.5

    An issue was discovered in Mattermost Server before 5.8.0, 5.7.2, 5.6.5, and 4.10.7. It allows attackers to cause a denial of service (memory consumption) via OpenGraph.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 5.8.0, 5.7.2, 5.6.5, and 4.10.7.CVE-2019-20879 · Other software · Mattermost · reported by MITREMedium 4.3

    An issue was discovered in Mattermost Server before 5.8.0, 5.7.2, 5.6.5, and 4.10.7. Changes to e-mail addresses do not require credential re-entry.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8.CVE-2019-20878 · Other software · Mattermost · reported by MITREMedium 4.3

    An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. Changes, within the application, to e-mail addresses are mishandled.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8.CVE-2019-20877 · Other software · Mattermost · reported by MITREMedium 5.3

    An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. It allows attackers to obtain sensitive information about whether someone has 2FA enabled.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8.CVE-2019-20876 · Other software · Mattermost · reported by MITREMedium 5.4

    An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. Users can deactivate themselves, bypassing a policy.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jun 19, 2020An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8.CVE-2019-20875 · Other software · Mattermost · reported by MITREMedium 5.3

    An issue was discovered in Mattermost Server before 5.9.0, 5.8.1, 5.7.3, and 4.10.8. It allows a password reset to proceed while an e-mail address is being changed.

    Product
    Mattermost Server
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.

Where this comes from: the exploited list is CISA’s Known Exploited Vulnerabilities catalog. Everything else is the whole National Vulnerability Database, where each record is published by the team that found the bug (Wordfence, Patchstack, WPScan, the vendors themselves and others); we show who. Exploit odds are FIRST’s EPSS, updated daily. Titles and categories are ours, so check the linked record before acting on a detail. For a write-up of the big ones, see our advisories. Every vendor, and every WordPress plugin and theme with a recorded flaw, also has its own page. All of it is free to reuse as JSON, CSV or RSS.

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