{"id":"CVE-2023-49802","aliases":["EUVD-2023-53714","GHSA-2f37-9xpx-5hhw"],"status":"published","title":"MantisBT LinkedCustomFields Cross-site Scripting vulnerability","description":"The LinkedCustomFields plugin for MantisBT allows users to link values between two custom fields, creating linked drop-downs. Prior to version 2.0.1, cross-site scripting in the MantisBT LinkedCustomFields plugin allows Javascript execution, when a crafted Custom Field is linked via the plugin and displayed when reporting a new Issue or editing an existing one. This issue is fixed in version 2.0.1. As a workaround, one may utilize MantisBT's default Content Security Policy, which blocks script execution.","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.0066,"percentile":0.51841,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-12-11T21:11:53Z","modified":"2026-10-28T02:30:35Z","products":[{"vendor":"mantisbt","product":"linked_custom_fields"},{"vendor":"mantisbt-plugins","product":"linkedcustomfields"}],"references":[{"url":"https://github.com/mantisbt-plugins/LinkedCustomFields/security/advisories/GHSA-2f37-9xpx-5hhw","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://github.com/mantisbt-plugins/LinkedCustomFields/issues/10","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Patch","report"]},{"url":"https://github.com/mantisbt-plugins/LinkedCustomFields/pull/11","tags":["x_refsource_MISC","x_transferred","Issue Tracking","fix"]},{"url":"https://github.com/mantisbt-plugins/LinkedCustomFields/commit/30e5ae751e40d7ae18bfd794fd48671477b3d286","tags":["x_refsource_MISC","x_transferred","Patch","fix"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/49xxx/CVE-2023-49802.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-49802","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-49802","title":"MantisBT LinkedCustomFields Cross-site Scripting vulnerability","description":"The LinkedCustomFields plugin for MantisBT allows users to link values between two custom fields, creating linked drop-downs. Prior to version 2.0.1, cross-site scripting in the MantisBT LinkedCustomFields plugin allows Javascript execution, when a crafted Custom Field is linked via the plugin and displayed when reporting a new Issue or editing an existing one. This issue is fixed in version 2.0.1. As a workaround, one may utilize MantisBT's default Content Security Policy, which blocks script execution.","status":"published","published":"2023-12-11T21:11:53.407Z","modified":"2024-08-28T15:12:57.432Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:35:12.998024Z"}],"euvd":[{"id":"EUVD-2023-53714","description":"The LinkedCustomFields plugin for MantisBT allows users to link values between two custom fields, creating linked drop-downs. Prior to version 2.0.1, cross-site scripting in the MantisBT LinkedCustomFields plugin allows Javascript execution, when a crafted Custom Field is linked via the plugin and displayed when reporting a new Issue or editing an existing one. This issue is fixed in version 2.0.1. As a workaround, one may utilize MantisBT's default Content Security Policy, which blocks script execution.","status":"published","published":"2023-12-11T21:11:53Z","modified":"2024-08-28T15:12:57Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L","level":"medium"}],"updated_at":"2026-11-03T00:56:09.376102Z"}],"nvd":[{"id":"CVE-2023-49802","description":"The LinkedCustomFields plugin for MantisBT allows users to link values between two custom fields, creating linked drop-downs. Prior to version 2.0.1, cross-site scripting in the MantisBT LinkedCustomFields plugin allows Javascript execution, when a crafted Custom Field is linked via the plugin and displayed when reporting a new Issue or editing an existing one. This issue is fixed in version 2.0.1. As a workaround, one may utilize MantisBT's default Content Security Policy, which blocks script execution.","status":"published","published":"2023-12-11T22:15:06.73Z","modified":"2026-06-17T06:36:29.793Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:08:54.010507Z"}],"osv":[{"id":"CVE-2023-49802","title":"MantisBT LinkedCustomFields Cross-site Scripting vulnerability","description":"The LinkedCustomFields plugin for MantisBT allows users to link values between two custom fields, creating linked drop-downs. Prior to version 2.0.1, cross-site scripting in the MantisBT LinkedCustomFields plugin allows Javascript execution, when a crafted Custom Field is linked via the plugin and displayed when reporting a new Issue or editing an existing one. This issue is fixed in version 2.0.1. As a workaround, one may utilize MantisBT's default Content Security Policy, which blocks script execution.","status":"published","published":"2023-12-11T21:11:53.407Z","modified":"2026-10-28T02:30:35.848606977Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:L","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:44:34.72355Z"}]}}