Vulnerabilities CVE-2026-44657

CVE-2026-44657

High

Open

TLP:CLEAR

MantisBT: Stored XSS in File Download

NVD CVE.org

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Description

Mantis Bug Tracker (MantisBT) is an open source issue tracker. Prior to 2.28.2, using show_inline=1 parameter and a valid file_show_inline_token CSRF token on file_download.php, an attacker can execute code by uploading a crafted XHTML attachment referencing a JavaScript attachment. This vulnerability is fixed in 2.28.2.

Details

CVSS Score: 7.5
EPSS Score ⓘ: 0.35%

27.7th percentile
CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
Confidence: 90%
Published: May 28, 2026
Last Modified: May 28, 2026

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