{"id":"CVE-2021-25987","aliases":["GHSA-q54r-r9pr-w7qv"],"url":"https://o3.security/vulnerability/CVE-2021-25987","summary":"Hexo Vulnerable to XSS","details":"Hexo versions 0.0.1 to 5.4.0 are vulnerable against stored XSS. The post “body” and “tags” don’t sanitize malicious javascript during web page generation. Local unprivileged attacker can inject arbitrary code.","published":"2021-11-30T14:15:07.530Z","modified":"2026-07-08T21:27:29.173794Z","cvss":{"score":4.6,"severity":"MEDIUM","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"hexo","fixedVersion":"6.0.0"}],"fix":{"url":"https://github.com/hexojs/hexo/commit/5170df2d3fa9c69e855c4b7c2b084ebfd92d5200","label":"hexojs/hexo@5170df2"},"references":[{"type":"ADVISORY","url":"https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25987"},{"type":"FIX","url":"https://github.com/hexojs/hexo/commit/5170df2d3fa9c69e855c4b7c2b084ebfd92d5200"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-08T21:27:29.173794Z"}}