CVE-2026-28281

InstantCMS is a free and open source content management system. Prior to 2.18.1, InstantCMS does not validate CSRF tokens, which allows attackers grant moderator privileges to users, execute scheduled tasks, move posts to trash, and accept friend requests on behalf of the user. This vulnerability is fixed in 2.18.1.
References
Link Resource
https://github.com/instantsoft/icms2/security/advisories/GHSA-pp43-262q-h73m Exploit Mitigation Vendor Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:instantcms:instantcms:*:*:*:*:*:*:*:*

History

13 Mar 2026, 16:19

Type Values Removed Values Added
First Time Instantcms
Instantcms instantcms
CPE cpe:2.3:a:instantcms:instantcms:*:*:*:*:*:*:*:*
Summary
  • (es) InstantCMS es un sistema de gestión de contenido gratuito y de código abierto. Antes de la versión 2.18.1, InstantCMS no valida los tokens CSRF, lo que permite a los atacantes otorgar privilegios de moderador a los usuarios, ejecutar tareas programadas, mover publicaciones a la papelera y aceptar solicitudes de amistad en nombre del usuario. Esta vulnerabilidad está corregida en la versión 2.18.1.
References () https://github.com/instantsoft/icms2/security/advisories/GHSA-pp43-262q-h73m - () https://github.com/instantsoft/icms2/security/advisories/GHSA-pp43-262q-h73m - Exploit, Mitigation, Vendor Advisory

10 Mar 2026, 17:38

Type Values Removed Values Added
New CVE

Information

Published : 2026-03-10 17:38

Updated : 2026-03-13 16:19


NVD link : CVE-2026-28281

Mitre link : CVE-2026-28281

CVE.ORG link : CVE-2026-28281


JSON object : View

Products Affected

instantcms

  • instantcms
CWE
CWE-352

Cross-Site Request Forgery (CSRF)