{"id":"CVE-2021-4017","aliases":["GHSA-f77h-m9w2-vvg2"],"url":"https://o3.security/vulnerability/CVE-2021-4017","summary":"showdoc is vulnerable to Cross-Site Request Forgery (CSRF)","details":"showdoc is vulnerable to Cross-Site Request Forgery (CSRF)","published":"2021-12-01T11:15:08.273Z","modified":"2026-08-07T17:02:40.799576Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":1,"affectedPackages":[{"ecosystem":"Packagist","name":"showdoc/showdoc","fixedVersion":"2.9.13"}],"fix":{"url":"https://github.com/star7th/showdoc/commit/654e871a3923e79076818a9a03533fe88222c871","label":"star7th/showdoc@654e871"},"references":[{"type":"FIX","url":"https://github.com/star7th/showdoc/commit/654e871a3923e79076818a9a03533fe88222c871"},{"type":"FIX","url":"https://huntr.dev/bounties/1d8439e8-b3f7-40f8-8b30-f9cb05ff2bcd"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-07T17:02:40.799576Z"}}