{"id":"CVE-2020-12648","aliases":["GHSA-vrv8-v4w8-f95h"],"url":"https://o3.security/vulnerability/CVE-2020-12648","summary":"Cross-site scripting vulnerability in TinyMCE","details":"A cross-site scripting (XSS) vulnerability in TinyMCE 5.2.1 and earlier allows remote attackers to inject arbitrary web script when configured in classic editing mode.","published":"2020-08-14T14:15:12.410Z","modified":"2026-07-08T19:02:24.870700Z","cvss":{"score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"npm","name":"tinymce","fixedVersion":"4.9.11"},{"ecosystem":"npm","name":"tinymce","fixedVersion":"5.4.1"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://labs.bishopfox.com/advisories/tinymce-version-5.2.1"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T19:02:24.870700Z"}}