CVE-2023-6188: GetSimpleCMS theme-edit.php code injection

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-11-17 · updated 2026-06-17
Weakness: CWE-94

Description

A vulnerability was found in GetSimpleCMS 3.3.16/3.4.0a. It has been rated as critical. This issue affects some unknown processing of the file /admin/theme-edit.php. The manipulation leads to code injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-245735.

Affected products

GetSimpleCMS: 3.3.16, 3.4.0a

References

https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1352
https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1358
https://vuldb.com/?ctiid.245735
https://vuldb.com/?id.245735
https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1352
https://github.com/GetSimpleCMS/GetSimpleCMS/issues/1358
https://vuldb.com/?ctiid.245735
https://vuldb.com/?id.245735

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