Mantis Bug Tracker (MantisBT) is an open source issue tracker.

Code

The project this record applies to. Exploit listings stay in References.

• Repository · github.com

Timeline

Detection, updates, and resolution for this record.

1. May 19, 2026 · NIST NVD

   Detected

   Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.28.1 and prior contain a Stored XSS vulnerability. When cloning an issue originating from a Project other than the current one, the clone form (bug_report_page.php) prepends the source Project name before the category selector without proper escaping, allowing an attacker able to to inject HTML if they can set the Project's

2. Jul 24, 2026 · NIST NVD

   Updated

   Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.28.1 and prior contain a Stored XSS vulnerability. When cloning an issue originating from a Project other than the current one, the clone form (bug_report_page.php) prepends the source Project name before the category selector without proper escaping, allowing an attacker able to to inject HTML if they can set the Project's

Sources

• CVE.orgVulnerability recordCVE-2026-34463

  Official CVE identifier

  cve.org
• NIST NVDVulnerability recordCVE-2026-34463

  Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions 2.28.1 and prior contain a Stored XSS vulnerability. When cloning an issue originating from a Project other than the current one, the clone form (bug_report_page.php) prepends the source Project name before t

  nvd.nist.gov

References

• Reference · github.com
• Reference · github.com
• Reference · mantisbt.org