Description
GetSimple 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 inject arbitrary PHP into a component file and execute it via a crafted query string, resulting in Remote Code Execution (RCE). This issue is set to be patched in version 3.3.22.
References (1)
Core 1
Core References
Exploit, Vendor Advisory x_refsource_confirm
https://github.com/GetSimpleCMS-CE/GetSimpleCMS-CE/security/advisories/GHSA-g435-p72m-p582
Scores
CVSS v3
8.8
EPSS
0.0076
EPSS Percentile
50.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
yes
Technical Impact
total
Details
CWE
CWE-77
Status
published
Products (1)
getsimple-ce/getsimple_cms
3.3.16 - 3.3.22
Published
May 30, 2025
Tracked Since
Feb 18, 2026