Security Advisory

CVE-2026-33548

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-03-23 19:15:18

Last updated 2026-03-24 16:06:54

Assigner GitHub_M

CVSS score 8.6

State PUBLISHED

Description

Mantis Bug Tracker (MantisBT) is an open source issue tracker. In version 2.28.0, improper escaping of tag names retrieved from History in Timeline (my_view_page.php) allows an attacker to inject HTML and, if CSP settings permit, achieve execution of arbitrary JavaScript, when displaying a tag that has been renamed or deleted. Version 2.28.1 contains a patch. Workarounds include editing offending History entries (using SQL) and wrapping `$this->tag_name` in a string_html_specialchars() call in IssueTagTimelineEvent::html().

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