{"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":null,"references":[{"type":"FIX","url":"https://typo3.org/security/advisory/typo3-ext-sa-2021-004"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T22:13:42.068277Z"}}