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

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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