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CVE-2026-28495

nvd nist
Published: Mar 10, 2026Modified: Mar 12, 2026

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8.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitability: 2.8 / Impact: 5.9
Source: 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.

Affected (1)

Getsimple Ce
1 product
Getsimple Cms
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Getsimple Cms
Up to 3.3.22

Related CWEs

CWE-352
Cross-Site Request Forgery (CSRF)
The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.

References (1)

Source: security-advisories@github.com
ExploitVendor Advisory

Timeline

No history available yet.