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-2017-5493WordPress corewp-includes/ms-functions.php in the Multisite WordPress API in WordPress before 4.7.1 does not properly choose random numbers for keys, whichigh7.53%
CVE-2015-9435oauth2-provider (WordPress plugin)The oauth2-provider plugin before 3.1.5 for WordPress has incorrect generation of random numbers.critical9.82%
CVE-2021-3692yiisoft/yii2-devUse of Cryptographically Weak Pseudo-Random Number Generator in yiisoft/yii2-devmedium5.32%
CVE-2022-0828download-manager (WordPress plugin)The Download Manager WordPress plugin before 3.2.34 uses the uniqid php function to generate the master key for a download, allowing an attahigh7.52%
CVE-2019-7860magento/community-edition, magento/product-community-editionMagento 2 Community Edition Weak PRNGhigh7.51%
CVE-2021-3678showdoc/showdocUse of Cryptographically Weak Pseudo-Random Number Generator in showdocmedium5.91%
CVE-2019-7855magento/community-edition, magento/product-community-editionMagento 2 Community Cryptographic Flawmedium5.31%
CVE-2019-8113magento/community-edition, magento/product-community-editionMagento 2 Community Weak PRNGmedium5.31%
CVE-2021-3990showdoc/showdocshowdoc is vulnerable to Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)medium6.51%
CVE-2024-7315migration\,-backup\,-staging (WordPress plugin)The Migration, Backup, Staging WordPress plugin before 0.9.106 does not use sufficient randomness in the filename that is created when genehigh7.51%
CVE-2025-21617guzzlehttp/oauth-subscriberGuzzle OAuth Subscriber has insufficient nonce entropymedium0.00%
CVE-2026-42155openmage/magento-ltsMagento LTS has Weak API Session ID — Predictable MD5 of Time-Derived Inputscritical0.00%
GHSA-q8fc-v85f-78pwstormpath/sdkstormpath/sdk uses Insecure Random Number Generatormedium5.3–
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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.