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-2015-5161zendframework/zendframework, zendframework/zendframework1, zendframework/zendxmlZendXml and Zend Framework contain XXE and XEE Vulnerabilitiesmedium0.010%
CVE-2012-6531zendframework/zendframework1Zend Framework XEE Vulnerabilitymedium0.03%
CVE-2014-2683zendframework/zendframework1, zendframework/zendopenid, zendframework/zendrest +7 moreSeveral Zend Products Vulnerable to XXE and XEE attacksmedium0.02%
CVE-2014-2682zendframework/zendframework1, zendframework/zendopenid, zendframework/zendrest +7 moreSeveral Zend Products Vulnerable to XXE and XEE attacksmedium0.02%
CVE-2012-6532zendframework/zendframework1Zend Framework XEE Vulnerabilitymedium0.02%
CVE-2021-41559silverstripe/frameworkQuadratic blowup in Convert::xml2array()medium6.51%
CVE-2019-8126magento/community-edition, magento/product-community-editionInformation disclosure through processing of external XML entitiesmedium4.91%
CVE-2026-45304symfony/symfony, symfony/yamlSymfony's YAML Parser Vulnerable to Exponential Memory Allocation via Recursive Collection-Alias Expansion ("Billion Laughs")low0.01%
CVE-2026-45133symfony/symfony, symfony/yamlSymfony hardened the parser when handling untrusted inputlow0.01%
CVE-2026-108358phpoffice/phpspreadsheetPhpSpreadsheet: XmlScanner Bypass via ISO-2022 Escape Sequences Allows XXE and Denial of Servicehigh0.00%
CVE-2026-108357phpoffice/phpspreadsheetPhpSpreadsheet: XmlScanner Bypass via Double-Encoded unentity() TOCTOU Allows XXE and Denial of Servicehigh0.00%
GHSA-8x2v-pcg7-94f4zendframework/zend-jsonZend-JSON vulnerable to XXE/XEE attackscritical9.8–
GHSA-f4fj-q6m4-cc52zendframework/zend-xmlrpcZendFramework vulnerable to XXE/XEE attackscritical9.8–
GHSA-mhpx-3rv8-wrjmzendframework/zendframework1ZendFramework potential XML eXternal Entity injection vectorscritical9.8–
GHSA-qc7w-4567-84wvzendframework/zendframeworkZendframework vulnerable to XXE/XEE attackscritical9.8–
GHSA-2jx7-xg83-j2m7zendframework/zendframework1Zendframework Denial of Service vector via XEE injectionhigh7.5–
GHSA-4vf2-qfg3-7598symfony/validatorsymfony/validator XML Entity Expansion vulnerabilityhigh7.5–
GHSA-f75p-x5vm-83qpsymfony/translationsymfony/translation XML Entity Expansion vulnerabilityhigh7.5–
GHSA-q2gc-gg3x-7942symfony/symfonySymfony XML Entity Expansion security vulnerabilityhigh7.5–
GHSA-g43w-98wp-m694silverstripe/frameworkSilverStripe framework XML Quadratic Blowup Attackmedium5.3–
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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.