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-2026-63030 KEVWordPress coreWordPress 6.9.x before 6.9.5 and 7.0.x before 7.0.2 is affected by a REST API batch endpoint route confusion issue which, combined with the critical9.811%
CVE-2023-24813dompdf/dompdfURI validation failure on SVG parsing. Bypass of CVE-2023-23924critical10.02%
CVE-2019-19589pdf-embedder (WordPress plugin)The Lever PDF Embedder plugin 4.4 for WordPress does not block the distribution of polyglot PDF documents that are valid JAR archives. Note:critical9.82%
CVE-2023-29197guzzlehttp/psr7Improper header name validation in guzzlehttp/psr7medium5.31%
CVE-2023-30536slim/psr7Insecure header validation in slim/psr7medium6.51%
CVE-2026-47767symfony/runtime, symfony/symfonySymfonyRuntime CVE-2024-50340 Patch Bypass: Web Requests Can Still Set APP_ENV/APP_DEBUG via parse_str/SAPI Argv Mismatchmedium0.01%
CVE-2022-29254silverstripe/silverstripe-omnipayFailed payment recorded has completed in Silverstripe Omnipaylow3.71%
CVE-2024-24754bref/brefBref vulnerable to Body Parsing Inconsistency in Event-Driven Functionslow3.71%
CVE-2025-24013codeigniter4/frameworkMissing validation of header name and value in codeigniter4/frameworkmedium5.31%
CVE-2024-24753bref/brefBref Doesn't Support Multiple Value Headers in ApiGatewayFormatV2medium4.80%
CVE-2023-52892phpseclib/phpseclibName confusion in x509 Subject Alternative Name fieldshigh7.50%
CVE-2026-69246guzzlehttp/guzzleGuzzle: Noncanonical host can bypass host-based checkshigh7.20%
CVE-2026-42551flightphp/coreFlight: HTTP method override enabled by default, facilitating CSRF escalation and middleware bypasshigh7.50%
CVE-2026-45066symfony/html-sanitizer, symfony/symfonySymfony has an HtmlSanitizer allowLinkHosts() / allowMediaHosts() Bypass via URL-Parser Differentials and <area> Misclassificationmedium0.00%
CVE-2026-59882guzzlehttp/psr7guzzlehttp/psr7: Host Confusion via Weak URI Host Validationmedium4.20%
GHSA-9jxr-mwpp-w643httpsoft/http-messageImproper header validation in httpsoft/http-messagemedium5.3–
GHSA-wjfc-pgfp-pv9cnyholm/psr7Improper Input Validation in nyholm/psr7medium5.3–
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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.