{"schema_version":"1.3.1","id":"GO-2026-4454","modified":"2026-02-17T18:09:06Z","published":"2026-02-17T18:09:06Z","aliases":["GHSA-26gq-grmh-6xm6"],"summary":"Gogs vulnerable to Stored XSS via Mermaid diagrams in gogs.io/gogs","details":"Gogs vulnerable to Stored XSS via Mermaid diagrams in gogs.io/gogs.\n\nNOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.\n\n(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)\n\nThe additional affected modules and versions are: gogs.io/gogs before v0.13.4.","affected":[{"package":{"name":"gogs.io/gogs","ecosystem":"Go"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"}]}],"ecosystem_specific":{"custom_ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.13.4"}]}]}}],"references":[{"type":"ADVISORY","url":"https://github.com/gogs/gogs/security/advisories/GHSA-26gq-grmh-6xm6"},{"type":"WEB","url":"https://github.com/gogs/gogs/commit/71a72a72ad1c8cea7940c9d7e4cbdfbc0fc3d401"},{"type":"WEB","url":"https://github.com/mermaid-js/mermaid/security/advisories/GHSA-7rqq-prvp-x9jh"},{"type":"WEB","url":"https://github.com/mermaid-js/mermaid/security/advisories/GHSA-8gwm-58g9-j8pw"}],"database_specific":{"url":"https://pkg.go.dev/vuln/GO-2026-4454","review_status":"UNREVIEWED"}}