What’s Vulnerable › Vulnerabilities

CVE-2026-44655: MantisBT: Stored XSS on Move Attachments Admin Page

• Severity: high (CVSS 8.6 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-28 · updated 2026-07-21
• Weakness: CWE-79

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 products

• mantisbt: from 1.3.0, < 2.28.2

References

• https://github.com/mantisbt/mantisbt/commit/5cb4b469295889f5d2b01677c9bf82c143e0fdaa
• https://github.com/mantisbt/mantisbt/security/advisories/GHSA-7mqj-8gj2-cg59

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