CVE-2026-33517

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2026-33517
Mantis Bug Tracker (MantisBT) is an open source issue tracker. In version 2.28.0, when deleting a Tag (tag_delete.php), improper escaping of its name when displaying the confirmation message allows an attacker to inject HTML and, if CSP settings permit, achieve execution of arbitrary JavaScript. Version 2.28.1 fixes the issue. Workarounds include reverting commit d6890320752ecf37bd74d11fe14fe7dc12335be9 and/or manually editing language files to remove the sprintf placeholder `%1$s` from `$s_tag_delete_message` string.

6.1 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://github.com/mantisbt/mantisbt/commit/80990f43153167c73f11eb4b2bc7108d0c3d6b46 Patch
https://github.com/mantisbt/mantisbt/commit/d6890320752ecf37bd74d11fe14fe7dc12335be9 Patch
https://github.com/mantisbt/mantisbt/security/advisories/GHSA-fh48-f69w-7vmp Patch Vendor Advisory Mitigation
Configurations

Configuration 1 (hide)

cpe:2.3:a:mantisbt:mantisbt:2.28.0:*:*:*:*:*:*:*
History

25 Mar 2026, 13:58

Type Values Removed Values Added
Summary
  • (es) Mantis Bug Tracker (MantisBT) es un sistema de seguimiento de incidencias de código abierto. En la versión 2.28.0, al eliminar una Etiqueta (tag_delete.php), un escape incorrecto de su nombre al mostrar el mensaje de confirmación permite a un atacante inyectar HTML y, si la configuración de CSP lo permite, lograr la ejecución de JavaScript arbitrario. La versión 2.28.1 corrige el problema. Las soluciones provisionales incluyen revertir el commit d6890320752ecf37bd74d11fe14fe7dc12335be9 y/o editar manualmente los archivos de idioma para eliminar el marcador de posición sprintf %1$s de la cadena $s_tag_delete_message.
References () https://github.com/mantisbt/mantisbt/commit/80990f43153167c73f11eb4b2bc7108d0c3d6b46 - () https://github.com/mantisbt/mantisbt/commit/80990f43153167c73f11eb4b2bc7108d0c3d6b46 - Patch
References () https://github.com/mantisbt/mantisbt/commit/d6890320752ecf37bd74d11fe14fe7dc12335be9 - () https://github.com/mantisbt/mantisbt/commit/d6890320752ecf37bd74d11fe14fe7dc12335be9 - Patch
References () https://github.com/mantisbt/mantisbt/security/advisories/GHSA-fh48-f69w-7vmp - () https://github.com/mantisbt/mantisbt/security/advisories/GHSA-fh48-f69w-7vmp - Patch, Vendor Advisory, Mitigation
CPE cpe:2.3:a:mantisbt:mantisbt:2.28.0:*:*:*:*:*:*:*
First Time Mantisbt mantisbt
Mantisbt
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 6.1

23 Mar 2026, 20:16

Type Values Removed Values Added
New CVE
Information

Published : 2026-03-23 20:16

Updated : 2026-03-25 13:58

NVD link : CVE-2026-33517

Mitre link : CVE-2026-33517

CVE.ORG link : CVE-2026-33517

JSON object : View

Products Affected

mantisbt

  • mantisbt
CWE
CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')