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
324new WordPress flaws this week
390,007entries in the database

5 results

  • May 7, 2026Pathological inputs could cause DoS through consumePhrase when parsing an email address according to RFC 5322.CVE-2026-42499 · Other software · Go standard library · reported by security@golang.orgHigh 7.5

    Pathological inputs could cause DoS through consumePhrase when parsing an email address according to RFC 5322.

    Product
    net/mail
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • May 7, 2026Well-crafted inputs reaching ParseAddress, ParseAddressList, and ParseDate were able to trigger excessive CPU exhaustion and memory allocations.CVE-2026-39820 · Other software · Go standard library · reported by security@golang.orgHigh 7.5

    Well-crafted inputs reaching ParseAddress, ParseAddressList, and ParseDate were able to trigger excessive CPU exhaustion and memory allocations.

    Product
    net/mail
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Oct 29, 2025The ParseAddress function constructs domain-literal address components through repeated string concatenation.CVE-2025-61725 · Other software · Go standard library · reported by security@golang.orgHigh 7.5

    The ParseAddress function constructs domain-literal address components through repeated string concatenation. When parsing large domain-literal components, this can cause excessive CPU consumption.

    Product
    net/mail
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Mar 5, 2024The ParseAddressList function incorrectly handles comments (text within parentheses) within display names.CVE-2024-24784 · Other software · Go standard library · reported by security@golang.orgHigh 7.5

    The ParseAddressList function incorrectly handles comments (text within parentheses) within display names. Since this is a misalignment with conforming address parsers, it can result in different trust decisions being made by programs using different parsers.

    Product
    net/mail
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Apr 14, 2021Appspace 6.2.4 is vulnerable to a broken authentication mechanism where pages such as /medianet/mail.aspx can be called directly and the framework is exposed wiCVE-2021-27990 · Other software · Appspace · reported by MITREHigh 7.5

    Appspace 6.2.4 is vulnerable to a broken authentication mechanism where pages such as /medianet/mail.aspx can be called directly and the framework is exposed with layouts, menus and functionalities.

    Product
    Appspace
    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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