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) →

CVE	Package	Title	Severity	CVSS	EPSS
CVE-2021-24867	accessbuddy (WordPress plugin), accesspress-anonymous-post (WordPress plugin), accesspress-basic (WordPress plugin) +90 more	Numerous Plugins and Themes from the AccessPress Themes (aka Access Keys) vendor are backdoored due to their website being compromised. Only	critical	9.8	18%
CVE-2021-36403	moodle/moodle	Moodle has a Hidden Functionality vulnerability	medium	5.3	1%

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.