Cloudanix VulnDB

CVE-2026-34463

None

CVSS

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EPSS

0.5%

Published

May 19, 2026

CISA due date

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The record

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.

Affected packages

Ecosystem Package Introduced Fixed

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