{"id":"CVE-2021-4172","aliases":["GHSA-7x22-pmw5-66mq"],"url":"https://o3.security/vulnerability/CVE-2021-4172","summary":"Cross-site Scripting in showdoc","details":"Cross-site Scripting (XSS) - Stored in GitHub repository star7th/showdoc prior to 2.10.2.","published":"2022-01-22T12:15:07.623Z","modified":"2026-08-07T17:03:03.938319Z","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":{"score":0.00642,"percentile":0.47856,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Packagist","name":"showdoc/showdoc","fixedVersion":"2.10.2"}],"fix":{"url":"https://github.com/star7th/showdoc/commit/409c8a1208bbb847046a9496303192980f2e6219","label":"star7th/showdoc@409c8a1"},"references":[{"type":"FIX","url":"https://github.com/star7th/showdoc/commit/409c8a1208bbb847046a9496303192980f2e6219"},{"type":"FIX","url":"https://huntr.dev/bounties/c041b693-877b-4456-b463-19e4c9456eee"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T17:03:03.938319Z"}}