Medium 5.3Published May 28, 2026

CVE-2026-41897MantisBT: Reflected XSS in Rendering Dynamic Custom Textarea Field

Updated under an hour ago (Oct 26, 2026, 3:30 AM ET)

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Every CVE for mantisbt

Exploited in the last 30 days

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.

CVSS: 5.3 MEDIUM (v4.0, CNA)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
Weakness (CWE): CWE-79
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: GitHub_M
NVD analysis: Deferred
Record last updated: May 29, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

mantisbt mantisbt mantisbt:mantisbt (from the name)	from 1.0.0, < 2.28.2	CNA record

References

https://github.com/mantisbt/mantisbt/security/advisories/GHSA-j7v9-f46r-2rp4x-refsource-confirm
https://github.com/mantisbt/mantisbt/commit/c885af13f0b8596714ffe11df757c09f35fbd8f4x-refsource-misc
https://mantisbt.org/bugs/view.php?id=37013x-refsource-misc

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.