{"id":"CVE-2023-44383","aliases":["GHSA-rvx8-p3xp-fj3p"],"url":"https://o3.security/vulnerability/CVE-2023-44383","summary":"October CMS stored XSS by authenticated backend user with improper configuration","details":"October is a Content Management System (CMS) and web platform to assist with development workflow. A user with access to the media manager that stores SVG files could create a stored XSS attack against themselves and any other user with access to the media manager when SVG files are supported. This issue has been patched in version 3.5.2.","published":"2023-11-29T19:57:38.263Z","modified":"2026-08-07T11:48:46.992245894Z","cvss":{"score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"october/system","fixedVersion":"3.5.2"}],"fix":{"url":"https://github.com/octobercms/october/commit/b7eed0bbf54d07ff310fcdc7037a8e8bf1f5043b","label":"octobercms/october@b7eed0b"},"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/44xxx/CVE-2023-44383.json"},{"type":"ADVISORY","url":"https://github.com/octobercms/october/security/advisories/GHSA-rvx8-p3xp-fj3p"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-44383"},{"type":"FIX","url":"https://github.com/octobercms/october/commit/b7eed0bbf54d07ff310fcdc7037a8e8bf1f5043b"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T11:48:46.992245894Z"}}