{"id":"CVE-2020-35305","aliases":["GHSA-fj2w-qmjp-3rjm"],"url":"https://o3.security/vulnerability/CVE-2020-35305","summary":"Gollum Cross-site Scripting vulnerability via filename parameter to New Page dialog","details":"Cross site scripting (XSS) in gollum 5.0 to 5.1.2 via the filename parameter to the 'New Page' dialog.","published":"2022-07-15T14:15:09.343Z","modified":"2026-08-14T09:05:36.955770Z","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":0,"affectedPackages":[{"ecosystem":"RubyGems","name":"gollum","fixedVersion":"5.1.2"}],"fix":{"url":"https://github.com/gollum/gollum/commit/137728cdabc0f60859fcd30404ad2b8fff6ef715","label":"gollum/gollum@137728c"},"references":[{"type":"WEB","url":"https://github.com/Szarny/"},{"type":"ADVISORY","url":"https://github.com/gollum/"},{"type":"ADVISORY","url":"https://github.com/gollum/gollum/releases/tag/v5.1.2"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2020-35305"},{"type":"WEB","url":"https://github.com/gollum/gollum/commit/137728cdabc0f60859fcd30404ad2b8fff6ef715"},{"type":"WEB","url":"https://github.com/Szarny"},{"type":"WEB","url":"https://github.com/gollum"},{"type":"PACKAGE","url":"https://github.com/gollum/gollum"},{"type":"WEB","url":"https://github.com/rubysec/ruby-advisory-db/blob/master/gems/gollum/CVE-2020-35305.yml"},{"type":"WEB","url":"http://gollum.com"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-14T09:05:36.955770Z"}}