CVE-2026-61524 WebsiteBaker CMS < 2.13.10 File Upload RCE via Module Installation
Authenticated administrators can achieve remote code execution by uploading a crafted ZIP archive containing a PHP webshell via the module installation feature.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-61524?
CVE-2026-61524 is a high-severity vulnerability in WebsiteBaker CMS, published on 3 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
WebsiteBaker CMS before 2.13.10 contains an unrestricted file upload vulnerability in the module installation feature that allows authenticated administrators to achieve remote code execution by uploading a crafted ZIP archive containing a PHP webshell alongside a valid info.php metadata file. Attackers can place the malicious archive through the module installation interface, causing the application to extract the webshell into a web-accessible modules/ subdirectory where it becomes immediately executable by any unauthenticated user via direct HTTP request.
Weakness: CWE-434
Which versions are affected by CVE-2026-61524?
How do I fix CVE-2026-61524?
No fix has been published for CVE-2026-61524 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-61524 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-61524 exists.
Sources
Also known as GHSA-m28x-gxhp-6x88.