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 8 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
343new WordPress flaws this week
390,080entries in the database

2 results

  • Sep 16, 2026Acronis Backup Incorrect Default Permissions VulnerabilityCVE-2026-87886 · Other software · Acronis · reported by security@acronis.comExploitedHigh 7.8

    Acronis Backup plugin for cPanel & WHM and extension for Plesk contains an incorrect default permissions vulnerability that could allow for privilege escalation.

    Product
    Backup
    On CISA’s list since
    Sep 16, 2026 (federal fix deadline Sep 19, 2026)
    What to do
    Attackers are using this now. Install Acronis’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.
  • Jul 29, 2024Acronis Cyber Infrastructure (ACI) Insecure Default Password VulnerabilityCVE-2023-45249 · Other software · Acronis · reported by security@acronis.comExploitedCritical 9.8

    Acronis Cyber Infrastructure (ACI) allows an unauthenticated user to execute commands remotely due to the use of default passwords.

    Product
    Cyber Infrastructure (ACI)
    On CISA’s list since
    Jul 29, 2024 (federal fix deadline Aug 19, 2024)
    What to do
    Attackers are using this now. Install Acronis’s update today. If there is no update for your version, take the product off the internet or stop using it until there is.

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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