ContentStudio, CVE-2025-12181

CVE, Research URL: CVE-2025-12181
Home page URL: Security reports for ContentStudio
Application: ContentStudio
Published on: Dec 05, 2025
Research Description: The ContentStudio plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the cstu_update_post() function in all versions up to, and including, 1.3.7. This makes it possible for authenticated attackers, with Author-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.
Affected versions: max 1.3.7.
Status: vulnerable