CVE-2026-41897
MEDIUMMantisBT: Reflected XSS in Rendering Dynamic Custom Textarea Field
Title source: cnaDescription
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.
References (3)
Core 3
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/mantisbt/mantisbt/security/advisories/GHSA-j7v9-f46r-2rp4
X_Refsource_Misc x_refsource_misc
https://github.com/mantisbt/mantisbt/commit/c885af13f0b8596714ffe11df757c09f35fbd8f4
X_Refsource_Misc x_refsource_misc
https://mantisbt.org/bugs/view.php?id=37013
Scores
CVSS v4
5.3
EPSS
0.0028
EPSS Percentile
19.7%
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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (2)
mantisbt/mantisbt
1.0.0 - 2.28.2Packagist
mantisbt/mantisbt
>= 1.0.0, < 2.28.2
Published
May 28, 2026
Tracked Since
May 29, 2026