CVE-2023-6188
CWE-94Published: November 17, 2023· Updated: Jun 17, 2026
Official 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.
Risk Analysis
GetSimpleCMS versions 3.3.16 and 3.4.0a are susceptible to remote code injection via the admin theme editor. This critical vulnerability allows an attacker to execute arbitrary code on the server, posing a severe risk to system integrity.
While the exploit has been publicly disclosed, it is not currently included in CISA's KEV catalog. The flaw is remotely exploitable.
Administrators should upgrade to a patched version of GetSimpleCMS beyond 3.4.0a to prevent unauthorized code execution.
Technical Analysis
CVE-2023-6188 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (8)
Quick Facts
Related CVEs (CWE-94)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-6188 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts