{"id":"CVE-2026-44657","summary":"MantisBT: Stored XSS in File Download","details":"Mantis Bug Tracker (MantisBT) is an open source issue tracker. Prior to 2.28.2, using show_inline=1 parameter and a valid file_show_inline_token CSRF token on file_download.php, an attacker can execute code by uploading a crafted XHTML attachment referencing a JavaScript attachment. This vulnerability is fixed in 2.28.2.","aliases":["GHSA-p6fr-rxq7-xcg8"],"modified":"2026-07-08T08:14:43.390564Z","published":"2026-05-28T20:25:26.816Z","related":["GHSA-9c3j-xm6v-j7j3","GHSA-p6fr-rxq7-xcg8"],"database_specific":{"cwe_ids":["CWE-79"],"cna_assigner":"GitHub_M","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44657.json"},"references":[{"type":"WEB","url":"https://mantisbt.org/bugs/view.php?id=37020"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44657.json"},{"type":"ADVISORY","url":"https://github.com/mantisbt/mantisbt/security/advisories/GHSA-9c3j-xm6v-j7j3"},{"type":"ADVISORY","url":"https://github.com/mantisbt/mantisbt/security/advisories/GHSA-p6fr-rxq7-xcg8"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44657"},{"type":"FIX","url":"https://github.com/mantisbt/mantisbt/commit/26647b2e68ba30b9d7987d4e03d7a16416684bc2"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/mantisbt/mantisbt","events":[{"introduced":"0"},{"fixed":"26647b2e68ba30b9d7987d4e03d7a16416684bc2"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"fixed":"2.28.2"}],"source":["AFFECTED_FIELD","REFERENCES"]}}],"versions":["release-2.28.1","release-2.28.0","release-2.27.0","release-2.26.0","release-2.25.0","release-2.24.0","release-2.23.0","release-2.22.0","release-2.21.0","release-2.20.0","release-2.19.0","release-2.18.0","release-2.17.0","release-2.16.0","release-2.15.0","release-2.14.0","release-2.13.0","release-2.12.0","release-2.11.0","release-2.10.0","release-2.9.0","release-2.8.0","release-2.7.0","release-2.6.0","release-2.5.0","release-2.4.0","release-2.3.0","release-2.2.0","release-2.1.0","release-2.0.0","release-2.0.0-rc.2","release-2.0.0-rc.1","release-2.0.0-beta.3","release-2.0.0-beta.2","release-2.0.0-beta.1","release-1.3.0-rc.2","release-1.3.0-rc.1","release-1.3.0-beta.3","release-1.3.0-beta.2","release-1.3.0-beta.1","release-1.2.0rc1","release-1.2.0a3","release-1.2.0a2","release-1.2.0a1"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-44657.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N"}]}