{"id":"CVE-2021-31778","aliases":["GHSA-xpxm-pf7g-2534"],"url":"https://o3.security/vulnerability/CVE-2021-31778","summary":"Cross-site scripting in media2click","details":"The media2click (aka 2 Clicks for External Media) extension 1.x before 1.3.3 for TYPO3 allows XSS by a backend user account.","published":"2021-04-28T07:15:07.533Z","modified":"2026-07-08T22:13:42.068277Z","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":null,"affectedPackages":[{"ecosystem":"Packagist","name":"amazing/media2click","fixedVersion":"1.3.3"}],"fix":{"url":"https://github.com/ghermens/media2click/commit/3c4e413fbc7d35c47212e754c24d5070637a11a3","label":"ghermens/media2click@3c4e413"},"references":[{"type":"FIX","url":"https://typo3.org/security/advisory/typo3-ext-sa-2021-004"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-31778"},{"type":"WEB","url":"https://github.com/ghermens/media2click/commit/3c4e413fbc7d35c47212e754c24d5070637a11a3"},{"type":"WEB","url":"https://packagist.org/packages/amazing/media2click"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T22:13:42.068277Z"}}