← Vulnerability feed

Vulnerability record · CVE-2026-28495 · published 10 March 2026

CVE-2026-28495: Getsimple-ce getsimple cms cross-site request forgery vulnerability

GGetsimple Ce · Getsimple Cms

GetSimple CMS is a content management system. The massiveAdmin plugin (v6.0.3) bundled with GetSimpleCMS-CE v3.3.22 allows an authenticated administrator to overwrite the gsconfig.php configuration file with arbitrary PHP code via the gsconfig editor module. The form lacks CSRF protection, enabling a remote unauthenticated attacker to exploit this via Cross-Site Request Forgery against a logged-in admin, achieving Remote Code Execution (RCE) on the web server.

8.8 CVSS 3.1 High EPSS 0.32% · top 77.7% CWE-352 · Cross-site request forgery
8.8CVSS 3.1 base score
0.32%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References, 1 tagged exploit
17 Jun 2026Last modified by NVD

Description

GetSimple CMS is a content management system. The massiveAdmin plugin (v6.0.3) bundled with GetSimpleCMS-CE v3.3.22 allows an authenticated administrator to overwrite the gsconfig.php configuration file with arbitrary PHP code via the gsconfig editor module. The form lacks CSRF protection, enabling a remote unauthenticated attacker to exploit this via Cross-Site Request Forgery against a logged-in admin, achieving Remote Code Execution (RCE) on the web server.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-CE/security/advisories/GHSA-92wv-q2jp-qg88 ExploitVendor Advisory

Track CVE-2026-28495 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2024-55085Getsimple-ce getsimple cms code injection vulnerabilityGetSimple CMS CE 3.3.19 suffers from arbitrary code execution in the template editing function in the background management system, which can be used…EPSS 0.86%8.8CVE-2026-27202Getsimple-ce getsimple cms path traversal vulnerabilityGetSimple CMS is a content management system. All versions of GetSimple CMS have a flaw in the Uploaded Files feature that allows for arbitrary file …EPSS 0.54%8.8CVE-2024-55088Getsimple-ce getsimple cms cross-site request forgery vulnerabilityGetSimple CMS CE 3.3.19 is vulnerable to Server-Side Request Forgery (SSRF) in the backend plugin module.EPSS 0.25%8.7CVE-2026-27161Getsimple-ce getsimple cms information exposure vulnerabilityGetSimple CMS is a content management system. All versions of GetSimple CMS rely on .htaccess files to restrict access to sensitive directories such …EPSS 0.47%8.6CVE-2025-48492Getsimple-ce getsimple cms command injection vulnerabilityGetSimple CMS is a content management system. In versions starting from 3.3.16 to 3.3.21, an authenticated user with access to the Edit component can…EPSS 0.91%7.2CVE-2024-55086Getsimple-ce getsimple cms server-side request forgery (ssrf) vulnerabilityIn the GetSimple CMS CE 3.3.19 management page, Server-Side Request Forgery (SSRF) can be achieved in the plug-in download address in the backend man…EPSS 0.42%7.1CVE-2026-27146Getsimple-ce getsimple cms cross-site request forgery vulnerabilityGetSimple CMS is a content management system. All versions of GetSimple CMS do not implement CSRF protection on the administrative file upload endpoi…EPSS 0.17%6.9CVE-2026-27147Getsimple-ce getsimple cms cross-site scripting vulnerabilityGetSimple CMS is a content management system. All versions of GetSimple CMS are vulnerable to XSS through SVG file uploads. Authenticated users can u…EPSS 0.25%

Source: NIST National Vulnerability Database (record CVE-2026-28495), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.