PHP vulnerability advisories

Every CVE phpwarden knows about across the PHP engine, Composer packages and WordPress plugins, themes and core — ranked by real-world exploitation. Feed 2026.10.29.4, updated 2026-10-29. Browse by package.

19,303CVEs
8,638Composer advisories
12,328WordPress advisories
35Actively exploited (KEV) →
CVEPackageTitleSeverityCVSSEPSS
CVE-2021-38314gutenberg-template-library-\&-redux-framework (WordPress plugin)The Gutenberg Template Library & Redux Framework plugin <= 4.2.11 for WordPress registered several AJAX actions available to unauthenticatedmedium5.329%
CVE-2021-33563phanan/koelImproper rate limiting in Koelhigh0.01%
CVE-2022-1235remdex/livehelperchatWeak password hash in LiveHelperChathigh7.51%
CVE-2023-27580codeigniter4/shieldPassword Shucking Vulnerabilitymedium5.91%
GHSA-3p7g-wrgg-wq45ibexa/graphqlGraphQL queries can expose password hashescritical0.0–
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Severity and CVSS come from the upstream advisory (OSV.dev, NVD, FriendsOfPHP); KEV marks CVEs on CISA's Known Exploited Vulnerabilities list; EPSS is FIRST's 30-day exploitation probability. Rows sort exploitation-first: KEV, then EPSS, then CVSS.