{"action":"Upgrade mantisbt/mantisbt to 2.28.2 or later.","affected":[{"fixed":"2.28.2","introduced":"0"}],"component":"mantisbt/mantisbt","cve_ids":["CVE-2026-40598"],"ecosystem":"Packagist","epss":0.00447,"exploited":false,"fixed_versions":["2.28.2"],"ghsa_id":"GHSA-6jh4-47v2-4g37","id":"tcs_01M5KEX57Z8JY54DNBZVSWFKPK","modified_at":"2026-09-10T03:50:45.807162550Z","published_at":"2026-05-11T19:35:01Z","references":["https://osv.dev/vulnerability/GHSA-6jh4-47v2-4g37","https://github.com/mantisbt/mantisbt/security/advisories/GHSA-6jh4-47v2-4g37","https://nvd.nist.gov/vuln/detail/CVE-2026-40598","https://github.com/mantisbt/mantisbt/commit/b1ebc57763f104eb5f541b7b4d1ce6948168abd9","https://github.com/mantisbt/mantisbt","https://mantisbt.org/bugs/view.php?id=37017"],"severity":{"label":"medium","score":6.9},"sources":[{"source":"osv","source_id":"GHSA-6jh4-47v2-4g37","url":"https://osv.dev/vulnerability/GHSA-6jh4-47v2-4g37"},{"source":"nvd","source_id":"CVE-2026-40598","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40598"}],"summary":"MantisBT has Potential Referer-Based Reflected HTML Injection / XSS in Tag Update Page"}