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 30 min 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.

1,764exploited flaws on CISA’s list
35added in the last 30 days
474new WordPress flaws this week
390,714entries in the database

4 results

  • May 2, 2025A vulnerability was found in gorhill uBlock Origin up to 1.63.3b16.CVE-2025-4215 · Other software · gorhill · reported by VulDBLow 2.3

    A vulnerability was found in gorhill uBlock Origin up to 1.63.3b16. It has been classified as problematic. Affected is the function currentStateChanged of the file src/js/1p-filters.js of the component UI. The manipulation leads to inefficient regular expression complexity. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The exploit has been disclosed to the public and may be used. Upgrading to version 1.63.3b17 is able to address this issue. The patch is identified as eaedaf5b10d2f7857c6b77fbf7d4a80681d4d46c. It is recommended to upgrade the affected component.

    Product
    uBlock Origin
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jul 13, 2022Cross Site Scripting (XSS) vulnerability in uBlock Origin extension before 1.41.1 allows remote attackers to run arbitrary code via a spoofed 'MessageSender.urlCVE-2022-32308 · Other software · Ublock Origin Project · reported by MITREMedium 6.1

    Cross Site Scripting (XSS) vulnerability in uBlock Origin extension before 1.41.1 allows remote attackers to run arbitrary code via a spoofed 'MessageSender.url' to the browser renderer process.

    Product
    Ublock Origin
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Jul 18, 2021uBlock Origin before 1.36.2 and nMatrix before 4.4.9 support an arbitrary depth of parameter nesting for strict blocking, which allows crafted web sites to causCVE-2021-36773 · Other software · Sciruby · reported by MITREHigh 7.5

    uBlock Origin before 1.36.2 and nMatrix before 4.4.9 support an arbitrary depth of parameter nesting for strict blocking, which allows crafted web sites to cause a denial of service (unbounded recursion that can trigger memory consumption and a loss of all blocking functionality).

    Product
    Nmatrix
    What to do
    Apply the vendor’s update. The NVD record links to the advisory.
  • Apr 29, 2019In uBlock before 0.9.5.15, the $rewrite filter option allows filter-list maintainers to run arbitrary code in a client-side session when a web service loads a sCVE-2019-11595 · Other software · Ublockorigin · reported by MITRECritical 9

    In uBlock before 0.9.5.15, the $rewrite filter option allows filter-list maintainers to run arbitrary code in a client-side session when a web service loads a script for execution using XMLHttpRequest or Fetch, and the script origin has an open redirect.

    Product
    Ublock Origin
    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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