{"id":"GHSA-vvg7-8rmq-92g7","aliases":[],"url":"https://o3.security/vulnerability/GHSA-vvg7-8rmq-92g7","summary":"Auth0 WordPress has Improper Audience Validation via Auth0-PHP SDK Dependency","details":"### Description\nIn applications built with the Auth0-PHP SDK, the audience validation in access tokens is performed improperly. Without proper validation, affected applications may accept ID tokens as Access tokens.\n\n### Affected product and versions\nProjects are affected if they meet the following preconditions:\n\n- Applications using the Auth0 Wordpress plugin with version between 5.0.0-BETA0 and 5.4.0,\n- Auth0 Wordpress plugin uses the Auth0-PHP SDK with versions between 8.0.0 and 8.17.0.\n\n### Resolution\nUpgrade Auth0 Wordpress plugin to version 5.5.0 or greater.\n\n### Acknowledgement\nOkta would like to thank Jafar Sadiq (iaf4r) for their discovery and responsible disclosure.","published":"2025-12-17T20:57:09Z","modified":"2026-02-04T04:28:48.180282Z","cvss":{"score":6.8,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"auth0/wordpress","fixedVersion":"5.5.0"}],"fix":{"url":"https://github.com/auth0/wordpress/commit/b207c6f7fd06507b90c4e6bcc18a857ef9e018de","label":"auth0/wordpress@b207c6f"},"references":[{"type":"WEB","url":"https://github.com/auth0/wordpress/security/advisories/GHSA-vvg7-8rmq-92g7"},{"type":"WEB","url":"https://github.com/auth0/wordpress/commit/b207c6f7fd06507b90c4e6bcc18a857ef9e018de"},{"type":"PACKAGE","url":"https://github.com/auth0/wordpress"},{"type":"WEB","url":"https://github.com/auth0/wordpress/releases/tag/5.5.0"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-02-04T04:28:48.180282Z"}}