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CVE-2026-44655

MantisBT: Stored XSS on Move Attachments Admin Page

HIGH

8.6

CVSS Score

Published: May 28, 2026 at 08:27 PM UTC

Updated: July 21, 2026 at 08:29 AM UTC

1 product affected across 1 vendormantisBT

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Severity

HIGH8.6

Exploit prediction

EPSS 0.3%

SSVC

No known exploit

Description

Mantis Bug Tracker (MantisBT) is an open source issue tracker. From 1.3.0 to 2.28.1, unescaped Project Name allows an attacker that can set it (which typically requires manager or administrator access level) to inject HTML in Move Attachments admin page. This vulnerability is fixed in 2.28.2.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

mantisBT · Mantisbt

60%

v < 2.28.2

Affected range stops below 2.28.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

x_refsource_CONFIRM

Source: cverecord

https://github.com/mantisbt/mantisbt/security/advisories/GHSA-7mqj-8gj2-cg59

x_refsource_MISC

Source: cverecord

https://github.com/mantisbt/mantisbt/commit/5cb4b469295889f5d2b01677c9bf82c143e0fdaa

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.6HIGHGitHub_M

Vector?

Quick Info

StatusDEFERRED

CWE

CWE-79

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