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-2021-36394moodle/moodleMoodle Session Fixation vulnerabilitycritical9.87%
CVE-2015-8124symfony/security, symfony/security-http, symfony/symfonySymfony Session Fixation Vulnerabilitylow3.13%
CVE-2017-12868simplesamlphp/simplesamlphpSimpleSAMLphp Session fixation issue and authentication bypass in the authcrypt modulecritical9.82%
CVE-2018-11385symfony/security, symfony/security-http, symfony/symfony +1 moreSymfony Session Fixation Vulnerabilityhigh8.12%
CVE-2010-1613moodle/moodleMoodle Session Fixation vulnerabilitymedium0.02%
CVE-2009-0256typo3/cmsAuthentication library in TYPO3 vulnerable to session fixationhigh0.02%
CVE-2017-12873simplesamlphp/simplesamlphpIncorrect persistent NameID generation in SimpleSAMLphpcritical9.82%
CVE-2010-3671typo3/cms-installTYPO3 is vulnerable to Session Fixationmedium6.52%
CVE-2018-12071codeigniter/frameworkCodeIgniter Session Fixation Vulnerabilitycritical9.82%
CVE-2016-9851phpmyadmin/phpmyadminphpMyAdmin Bypass logout timeoutmedium5.31%
CVE-2021-41268symfony/security-bundle, symfony/symfonyCookie persistence after password changes in symfony/security-bundlemedium6.51%
CVE-2019-7849magento/community-edition, magento/magento1ce, magento/magento1ee +1 moreMagento 2 Community Edition Session Fixation Checkhigh7.51%
CVE-2020-12467intelliants/subrionSession Fixation in Subrion CMSmedium6.51%
CVE-2022-2997snipe/snipe-itInsufficient Session Expiration in snipe/snipe-itmedium4.61%
CVE-2022-24444silverstripe/hybridsessionsHybridsessions does not expire session id on logoutmedium6.51%
CVE-2022-24895symfony/security-bundle, symfony/symfonySymfony vulnerable to Session Fixation of CSRF tokensmedium6.31%
CVE-2022-1849filegator/filegatorImproper user session handling in filegatormedium4.31%
CVE-2023-46733symfony/security-http, symfony/symfonySymfony possible session fixation vulnerabilitymedium6.51%
CVE-2023-2105alextselegidis/easyappointmentsalextselegidis/easyappointments Session Fixation vulnerabilitymedium5.41%
CVE-2022-43687concrete5/concrete5Concrete CMS vulnerable to Session Fixationmedium5.41%
CVE-2022-24745shopware/platform, shopware/storefrontShopware guest session is shared between customersmedium4.81%
CVE-2024-30262contao/core-bundleContao: Remember-me tokens will not be cleared after a password changemedium5.90%
CVE-2022-4231tribalsystems/zenarioTribal Systems Zenario CMS vulnerable to Session Fixationmedium5.40%
CVE-2023-3192froxlor/froxlorFroxlor Session Fixation vulnerabilitymedium5.40%
CVE-2019-12203silverstripe/frameworkSession fixation in change password formmedium6.30%
CVE-2025-53021moodle/moodleMoodle Session Fixation allows unauthenticated users to hijack sessions via sesskey parametermedium4.20%
CVE-2026-33492wwbn/avideoAVideo has Session Fixation via GET PHPSESSID Parameter With Disabled Login Session Regenerationhigh7.30%
CVE-2026-69245guzzlehttp/guzzleGuzzle: Noncanonical cookie domain keeps subdomain scopemedium6.50%
CVE-2026-59883guzzlehttp/guzzleGuzzle: Cookie Disclosure and Injection via IP-Address Domainsmedium4.70%
GHSA-4qx8-j9vh-2628silverstripe/frameworksilverstripe/framework's User-Agent header not correctly invalidating user sessionhigh7.5–
GHSA-r9vc-jfmh-6j48typo3/cmsTYPO3 frontend login vulnerable to Session Fixationhigh7.1–
GHSA-62f6-h68r-3jpwzendframework/zendframeworkZendframework session validation vulnerabilitymedium6.5–
GHSA-96c6-m98x-hxjxzendframework/zend-sessionZend-Session session validation vulnerabilitymedium6.5–
GHSA-xmgr-jff3-fcfvtypo3/cms-coreTYPO3 Security Misconfiguration in User Session Handlingmedium6.5–
GHSA-p62r-7637-3wwclaravel/frameworkLaravel Hijacked authentication cookies vulnerabilitymedium0.0–
GHSA-q4xf-7fw5-4x8villuminate/authLaravel Hijacked authentication cookies vulnerabilitymedium0.0–
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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.