{"id":"CVE-2021-25976","aliases":["GHSA-ppq7-88c7-q879"],"url":"https://o3.security/vulnerability/CVE-2021-25976","summary":"Cross-Site Request Forgery in PiranhaCMS","details":"In PiranhaCMS, versions 4.0.0-alpha1 to 9.2.0 are vulnerable to cross-site request forgery (CSRF) when performing various actions supported by the management system, such as deleting a user, deleting a role, editing a post, deleting a media folder etc., when an ID is known.","published":"2021-11-16T09:15:06.717Z","modified":"2026-07-09T06:01:50.673346Z","cvss":{"score":8.1,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"NuGet","name":"Piranha","fixedVersion":"10.0-alpha1"}],"fix":{"url":"https://github.com/PiranhaCMS/piranha.core/commit/e42abacdd0dd880ce9cf6607efcc24646ac82eda","label":"PiranhaCMS/piranha.core@e42abac"},"references":[{"type":"ADVISORY","url":"https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25976"},{"type":"FIX","url":"https://github.com/PiranhaCMS/piranha.core/commit/e42abacdd0dd880ce9cf6607efcc24646ac82eda"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T06:01:50.673346Z"}}