{"id":"CVE-2021-32855","aliases":["GHSA-vfmp-9999-6wqj"],"url":"https://o3.security/vulnerability/CVE-2021-32855","summary":"Vditor Cross-site Scripting vulnerability","details":"Vditor is a browser-side Markdown editor. Versions prior to 3.8.7 are vulnerable to copy-paste cross-site scripting (XSS). For this particular type of XSS, the victim needs to be fooled into copying a malicious payload into the text editor. Version 3.8.7 contains a patch for this issue.","published":"2023-02-21T15:15:11.267Z","modified":"2026-07-09T00:36:29.968261Z","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":1,"affectedPackages":[{"ecosystem":"npm","name":"vditor","fixedVersion":"3.8.7"}],"fix":{"url":"https://github.com/Vanessa219/vditor/commit/1b2382d7f8a4ee509d9245db4450d926a0b24146","label":"Vanessa219/vditor@1b2382d"},"references":[{"type":"REPORT","url":"https://github.com/Vanessa219/vditor/issues/1085"},{"type":"FIX","url":"https://github.com/Vanessa219/vditor/commit/1b2382d7f8a4ee509d9245db4450d926a0b24146"},{"type":"EVIDENCE","url":"https://securitylab.github.com/advisories/GHSL-2021-1006-vditor/"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T00:36:29.968261Z"}}