Mantis Bug Tracker (MantisBT) is an open source issue tracker. From 1.0.0 to 2.28.1, lack of validation of filter_target parameter on return_dynamic_filters.php (normally used as an AJAX in View Issues Page) allows an attacker to inject arbitrary HTML if the target is a TEXTAREA custom field. This vulnerability is fixed in 2.28.2.

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-j7v9-f46r-2rp4 MantisBT is Vulnerable to Reflected XSS in Rendering Dynamic Custom Textarea Field
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sat, 30 May 2026 03:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 28 May 2026 21:45:00 +0000

Type Values Removed Values Added
First Time appeared Mantisbt
Mantisbt mantisbt
Vendors & Products Mantisbt
Mantisbt mantisbt

Thu, 28 May 2026 20:45:00 +0000

Type Values Removed Values Added
Description Mantis Bug Tracker (MantisBT) is an open source issue tracker. From 1.0.0 to 2.28.1, lack of validation of filter_target parameter on return_dynamic_filters.php (normally used as an AJAX in View Issues Page) allows an attacker to inject arbitrary HTML if the target is a TEXTAREA custom field. This vulnerability is fixed in 2.28.2.
Title MantisBT: Reflected XSS in Rendering Dynamic Custom Textarea Field
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published:

Updated: 2026-05-30T02:15:20.499Z

Reserved: 2026-04-22T15:11:54.672Z

Link: CVE-2026-41897

cve-icon Vulnrichment

Updated: 2026-05-30T02:15:16.662Z

cve-icon NVD

Status : Deferred

Published: 2026-05-28T21:16:29.640

Modified: 2026-05-29T15:11:03.853

Link: CVE-2026-41897

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-28T21:30:26Z

Weaknesses