{"items":[{"id":"NVI-00001863","kind":"vulnerability","title":"MantisBT is Vulnerable to XSS leading to account takeover via updating a user's font family preference","revision":5,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-j3v9-553h-x28j","CVE-2026-40596"],"plain_summary":"GitHub lists this reviewed advisory for mantisbt/mantisbt. 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This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 2.28.2 for mantisbt/mantisbt. Confirm the publisher’s latest guidance.","source_ids":["sr-03165f9ca552f3ce7b354e7b2ad526c7"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-0686995dfce586615527f9fd297deb10"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. 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Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-40596","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.278Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-03165f9ca552f3ce7b354e7b2ad526c7"],"technology":"mantisbt/mantisbt","known_exclusions":[],"conditions_summary":"Any authenticated user can inject arbitrary HTML via updating their account's font family.\n\n### Impact\nCross-site scripting.\nThe injected payload will be reflected in every MantisBT page.\n\nLeveraging another vulnerability (CSP bypass, see GHSA-9c3j-xm6v-j7j3), the attacker could achieve account takeover.\n\n### Patches\n- 9e8409cdd979eba86ef532756fc47c1d8112d22d\n\n### Workarounds\nNone\n\n### Credits\nThanks to siunam (Tang Cheuk Hei) for discovering and responsibly reporting the issue.","public_affected_ranges":["ECOSYSTEM: introduced 2.11.0; fixed 2.28.2"]}],"null_published_at":"2026-11-06T15:18:17.695Z","source_updated_at":"2026-09-10T03:51:05.993Z","source_disclosed_at":"2026-05-11T19:34:38.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Source facts changed; compare the preserved prior revision.","null_first_observed_at":"2026-10-31T21:42:20.435Z"},{"id":"NVI-00001863","kind":"vulnerability","title":"MantisBT is Vulnerable to XSS leading to account takeover via updating a user's font family preference","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-j3v9-553h-x28j","CVE-2026-40596"],"plain_summary":"OSV carries this publisher advisory for mantisbt/mantisbt. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 2.28.2 for mantisbt/mantisbt. Confirm the publisher’s latest guidance.","source_ids":["sr-03165f9ca552f3ce7b354e7b2ad526c7"],"action_type":"vendor_patch","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-0686995dfce586615527f9fd297deb10"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. 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This report has not examined your application.","related_sources":[{"id":"sr-03165f9ca552f3ce7b354e7b2ad526c7","url":"https://github.com/advisories/GHSA-j3v9-553h-x28j","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-j3v9-553h-x28j","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.435Z"},{"id":"sr-0686995dfce586615527f9fd297deb10","url":"https://www.first.org/epss/data.html","basis":"official_catalog","notes":"FIRST EPSS; probability of exploitation in the next 30 days, not local compromise. Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-40596","publisher":"FIRST EPSS","observed_at":"2026-11-01T14:28:32.278Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-03165f9ca552f3ce7b354e7b2ad526c7"],"technology":"mantisbt/mantisbt","known_exclusions":[],"conditions_summary":"Any authenticated user can inject arbitrary HTML via updating their account's font family.\n\n### Impact\nCross-site scripting.\nThe injected payload will be reflected in every MantisBT page.\n\nLeveraging another vulnerability (CSP bypass, see GHSA-9c3j-xm6v-j7j3), the attacker could achieve account takeover.\n\n### Patches\n- 9e8409cdd979eba86ef532756fc47c1d8112d22d\n\n### Workarounds\nNone\n\n### Credits\nThanks to siunam (Tang Cheuk Hei) for discovering and responsibly reporting the issue.","public_affected_ranges":["ECOSYSTEM: introduced 2.11.0; fixed 2.28.2"]}],"null_published_at":"2026-11-02T20:21:07.824Z","source_updated_at":"2026-09-10T03:51:05.993Z","source_disclosed_at":"2026-05-11T19:34:38.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:20.435Z"},{"id":"NVI-00001863","kind":"vulnerability","title":"MantisBT is Vulnerable to XSS leading to account takeover via updating a user's font family preference","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-j3v9-553h-x28j","CVE-2026-40596"],"plain_summary":"OSV carries this publisher advisory for mantisbt/mantisbt. 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This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"0.424%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.36719. Missing scores are unknown.","source_id":"sr-1ca963f59932303a040becdad31d370a"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. 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Dataset date/model retained; FIRST services terms apply.","title":"CVE-2026-40596","publisher":"FIRST EPSS","observed_at":"2026-10-31T22:06:15.378Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-03165f9ca552f3ce7b354e7b2ad526c7"],"technology":"mantisbt/mantisbt","known_exclusions":[],"conditions_summary":"Any authenticated user can inject arbitrary HTML via updating their account's font family.\n\n### Impact\nCross-site scripting.\nThe injected payload will be reflected in every MantisBT page.\n\nLeveraging another vulnerability (CSP bypass, see GHSA-9c3j-xm6v-j7j3), the attacker could achieve account takeover.\n\n### Patches\n- 9e8409cdd979eba86ef532756fc47c1d8112d22d\n\n### Workarounds\nNone\n\n### Credits\nThanks to siunam (Tang Cheuk Hei) for discovering and responsibly reporting the issue.","public_affected_ranges":["ECOSYSTEM: introduced 2.11.0; fixed 2.28.2"]}],"null_published_at":"2026-10-31T22:27:09.605Z","source_updated_at":"2026-09-10T03:51:05.993Z","source_disclosed_at":"2026-05-11T19:34:38.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:20.435Z"},{"id":"NVI-00001863","kind":"vulnerability","title":"MantisBT is Vulnerable to XSS leading to account takeover via updating a user's font family preference","revision":1,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected."],"lifecycle":"active","identifiers":["GHSA-j3v9-553h-x28j","CVE-2026-40596"],"plain_summary":"OSV carries this publisher advisory for mantisbt/mantisbt. 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This report has not examined your application.","related_sources":[{"id":"sr-03165f9ca552f3ce7b354e7b2ad526c7","url":"https://github.com/advisories/GHSA-j3v9-553h-x28j","basis":"vendor_advisory","notes":"GitHub-origin advisory, CC-BY-4.0; OSV is an aggregate copy, not independent corroboration.","title":"GHSA-j3v9-553h-x28j","publisher":"GitHub Advisory Database via OSV","observed_at":"2026-10-31T21:42:20.435Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-03165f9ca552f3ce7b354e7b2ad526c7"],"technology":"mantisbt/mantisbt","known_exclusions":[],"conditions_summary":"Any authenticated user can inject arbitrary HTML via updating their account's font family.\n\n### Impact\nCross-site scripting.\nThe injected payload will be reflected in every MantisBT page.\n\nLeveraging another vulnerability (CSP bypass, see GHSA-9c3j-xm6v-j7j3), the attacker could achieve account takeover.\n\n### Patches\n- 9e8409cdd979eba86ef532756fc47c1d8112d22d\n\n### Workarounds\nNone\n\n### Credits\nThanks to siunam (Tang Cheuk Hei) for discovering and responsibly reporting the issue.","public_affected_ranges":["ECOSYSTEM: introduced 2.11.0; fixed 2.28.2"]}],"null_published_at":"2026-10-31T21:53:28.053Z","source_updated_at":"2026-09-10T03:51:05.993Z","source_disclosed_at":"2026-05-11T19:34:38.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"First indexed by Null; source disclosure date is shown separately.","null_first_observed_at":"2026-10-31T21:42:20.435Z"}],"next_cursor":null,"snapshot_revision":"42594"}