{"id":"CVE-2021-36787","aliases":["GHSA-f3rf-v9qm-9c89"],"url":"https://o3.security/vulnerability/CVE-2021-36787","summary":"Cross-site Scripting in the femanager TYPO3 extension","details":"The extension allows by default to upload SVG files when a logged in frontend user uploads a new profile image. This may lead to Cross-Site Scripting, when the uploaded SVG image is used as is on the website.\n\nNote: If SVG uploads are required, it is recommended to use the TYPO3 extension svg_sanitizer (added to TYPO3 core since versions 9.5.28, 10.4.18 and 11.3.0) to prevent upload of malicious SVG files or to set up a strict Content Security Policy for the destination folder of uploaded images.","published":"2021-08-13T17:15:16.627Z","modified":"2026-07-09T05:14:12.690540Z","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":{"score":0.01333,"percentile":0.69757,"asOf":"2026-09-17"},"cisaKev":null,"exploitsKnown":2,"affectedPackages":[{"ecosystem":"Packagist","name":"in2code/femanager","fixedVersion":"5.5.1"},{"ecosystem":"Packagist","name":"in2code/femanager","fixedVersion":"6.3.1"}],"fix":{"url":"https://github.com/in2code-de/femanager/commit/70f873c60f0e40ffd6a1300218ca368156fc1bf2","label":"in2code-de/femanager@70f873c"},"references":[{"type":"ADVISORY","url":"https://typo3.org/help/security-advisories/security"},{"type":"FIX","url":"https://typo3.org/security/advisory/typo3-ext-sa-2021-010"},{"type":"EVIDENCE","url":"http://packetstormsecurity.com/files/165675/TYPO3-femanager-6.3.0-Cross-Site-Scripting.html"},{"type":"EVIDENCE","url":"http://seclists.org/fulldisclosure/2022/Jan/53"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36787"},{"type":"WEB","url":"https://github.com/in2code-de/femanager/commit/70f873c60f0e40ffd6a1300218ca368156fc1bf2"},{"type":"WEB","url":"https://extensions.typo3.org/extension/femanager"},{"type":"PACKAGE","url":"https://github.com/in2code-de/femanager"},{"type":"WEB","url":"https://github.com/in2code-de/femanager/releases/tag/6.3.1"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T05:14:12.690540Z"}}