{"action":"Upgrade mantisbt/mantisbt to 2.28.2 or later.","affected":[{"fixed":"2.28.2","introduced":"0"}],"component":"mantisbt/mantisbt","cve_ids":["CVE-2026-34463"],"ecosystem":"Packagist","epss":0.00444,"exploited":false,"fixed_versions":["2.28.2"],"ghsa_id":"GHSA-fvjf-68wh-rwp2","id":"tcs_01M5KF22W5W1BJ1321CRZ4QMGP","modified_at":"2026-09-10T03:51:05.552621253Z","published_at":"2026-05-11T19:32:11Z","references":["https://osv.dev/vulnerability/GHSA-fvjf-68wh-rwp2","https://github.com/mantisbt/mantisbt/security/advisories/GHSA-fvjf-68wh-rwp2","https://nvd.nist.gov/vuln/detail/CVE-2026-34463","https://github.com/mantisbt/mantisbt/commit/df22697ae497ddd93f3d9132fdf4979db8d081cd","https://github.com/mantisbt/mantisbt","https://mantisbt.org/bugs/view.php?id=36986"],"severity":{"label":"high","score":8.6},"sources":[{"source":"osv","source_id":"GHSA-fvjf-68wh-rwp2","url":"https://osv.dev/vulnerability/GHSA-fvjf-68wh-rwp2"},{"source":"nvd","source_id":"CVE-2026-34463","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-34463"}],"summary":"MantisBT is Vulnerable to Stored HTML Injection/XSS in Clone Issue Form"}