Security Advisory

CVE-2026-34463

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-05-19 21:57:49

Last updated 2026-05-20 13:36:45

Assigner GitHub_M

CVSS score 8.6

State PUBLISHED

Description

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 name (which typically requires manager or administrator access level). This issue has been resolved in version 2.28.2.

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