CVE-2026-61524
WebsiteBaker CMS < 2.13.10 File Upload RCE via Module Installation
- State
- Published
- Severity
- 8.6 High
- Published
- Aug 3, 2026
- Updated
- Aug 14, 2026
- Reserved
- Jul 10, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 8.6 High | CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | VulnCheck |
| 3.1 | 7.2 High | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | VulnCheck |
Weaknesses
- CWE-434 Unrestricted Upload of File with Dangerous Type
Affected Products
| Product | Versions |
|---|---|
WebsiteBaker CMSWebsiteBaker Org e.V. |
|
References
- Researcher Disclosuretechnical-descriptionexploit
- WebsiteBaker Download Pageproductpatch
- https://www.vulncheck.com/advisories/websitebaker-cms-file-upload-rce-via-module-installationthird-party-advisory
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