{"id":"GHSA-f545-vpwp-r9j7","aliases":["CVE-2021-3989"],"title":"showdoc is vulnerable to URL Redirection to Untrusted Site","titleSource":"OSV","descriptionSource":"OSV","declaredSeverity":"MODERATE","description":"showdoc is vulnerable to URL Redirection to Untrusted Site.","severity":"medium","score":6.1,"published":"2021-12-03T20:41:35.000Z","modified":"2023-11-08T04:06:42.640Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"showdoc/showdoc","sources":[{"name":"OSV · GHSA-f545-vpwp-r9j7","url":"https://osv.dev/vulnerability/GHSA-f545-vpwp-r9j7"}],"ranges":[{"events":[{"introduced":"0"},{"fixed":"2.9.13"}],"type":"ECOSYSTEM"}],"versions":["v1.0.0","v1.0.1","v1.0.2","v1.0.3","v1.0.4","v1.0.5","v1.1.0","v1.1.1","v1.1.3","v1.1.4","v1.1.5","v1.2.0","v1.2.1","v1.2.2","v1.2.3","v1.2.4","v1.2.5","v1.2.6","v1.3.0","v1.3.1","v1.3.3","v1.3.4","v1.3.5","v1.3.6","v1.3.7","v1.3.8","v1.4.0","v1.4.1","v1.4.2","v1.4.3","v1.4.4","v1.4.5","v1.4.6","v1.4.7","v1.5.0","v1.5.1","v1.5.2","v1.5.3","v1.6.0","v1.6.1","v1.6.2","v1.7.0","v1.7.1","v1.7.2","v1.8.0","v1.8.1","v1.8.2","v1.8.3","v1.8.4","v1.8.5","v1.8.6","v2.0","v2.0.1","v2.0.10","v2.0.2","v2.0.3","v2.0.4","v2.0.5","v2.0.6","v2.0.7","v2.0.8","v2.0.9","v2.1.0","v2.1.1","v2.1.2","v2.1.3","v2.1.4","v2.1.5","v2.2.0","v2.2.1","v2.3.0","v2.3.1","v2.3.3","v2.4.0","v2.4.1","v2.4.10","v2.4.11","v2.4.12","v2.4.13","v2.4.15","v2.4.16","v2.4.17","v2.4.2","v2.4.3","v2.4.5","v2.4.6","v2.4.7","v2.4.8","v2.4.9","v2.5.1","v2.5.2","v2.5.3","v2.5.5","v2.6.1","v2.6.2","v2.6.3","v2.6.5","v2.6.6","v2.6.7","v2.7.0","v2.7.1","v2.8.0","v2.8.1","v2.8.10","v2.8.11","v2.8.12","v2.8.13","v2.8.14","v2.8.15","v2.8.16","v2.8.2","v2.8.3","v2.8.5","v2.8.6","v2.8.7","v2.8.8","v2.8.9","v2.9.0","v2.9.1","v2.9.10","v2.9.11","v2.9.12","v2.9.2","v2.9.3","v2.9.4","v2.9.5","v2.9.6","v2.9.7","v2.9.8","v2.9.9"],"fixed":["2.9.13"]}],"sourceAffected":[],"references":["https://nvd.nist.gov/vuln/detail/CVE-2021-3989","https://github.com/star7th/showdoc/commit/335afc7ed6d6627c3d0434aa9acc168c77117614","https://github.com/star7th/showdoc","https://huntr.dev/bounties/ffc61eff-efea-42c5-92c2-e043fdf904d5"],"sources":[{"name":"OSV","id":"GHSA-f545-vpwp-r9j7","modified":"2023-11-08T04:06:42.640363Z","url":"https://osv.dev/vulnerability/GHSA-f545-vpwp-r9j7"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1}],"products":[],"remediation":[],"kev":{"status":"not-listed","checkedAt":"2026-10-29T00:50:31.383Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}