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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 2026.10.29.1, updated 2026-10-28. Browse by package.

19,303CVEs
8,638Composer advisories
12,328WordPress advisories
35Actively exploited (KEV) →
CVEPackageTitleSeverityCVSSEPSS
CVE-2018-20465craftcms/cmsCraft CMS Vulnerable to Server-Side Template Injectionhigh7.22%
CVE-2022-4409thorsten/phpmyfaqphpMyFAQ has insecure HTTP cookieshigh7.50%
CVE-2026-55568guzzlehttp/guzzleguzzlehttp/guzzle: Silent HTTPS-Proxy Downgrade to Cleartextmedium5.90%
GHSA-ph62-fv59-vf9hsilverstripe/frameworksilverstripe/framework users inadvertently passing sensitive data to LoginAttemptmedium6.5–
Page 1 of 1 · 4 advisories
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.