CVE-2026-41897
Medium
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductMantisbt/mantisbt
PublishedMay 28, 2026
First seenMay 28, 2026
Weakness typeCWE-79Cross-site scripting (XSS)
How to fix
Update
- mantisbt/mantisbt2.28.2 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mantisbt/mantisbtPackagist | 1.0.0 ≤ v < 2.28.2 | 2.28.2 |
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