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

What is CVE-2023-6188?

CVE-2023-6188 is a medium-severity code injection vulnerability in GetSimpleCMS, published on 17 Nov 2023. An attacker needs administrator access to exploit it, with no action from the victim.

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.

Weakness: CWE-94

Which versions are affected by CVE-2023-6188?

It affects 1 product.

Products include Get-Simple Getsimplecms.

How do I fix CVE-2023-6188?

No fix has been published for CVE-2023-6188 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2023-6188 being exploited?

There is no known exploitation of CVE-2023-6188 in the wild and no public exploit code.

Other vulnerabilities in GetSimpleCMS

• CVE-2023-46042 Code injection in n/a Critical 9.8
• CVE-2020-18191 Path traversal in n/a Critical 9.1
• CVE-2013-10032 GetSimple CMS 3.2.1 Authenticated RCE via Arbitrary PHP File Upload High 8.7
• CVE-2021-47778 GetSimple CMS My SMTP Contact Plugin 1.1.2 - PHP Code Injection High 8.6
• CVE-2021-47860 GetSimple CMS Custom JS 0.1 - CSRF to XSS to RCE High 8.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-7q8c-wgc5-qrph.