plugin
17 known security issues reported for the Contentstudio WordPress plugin. Most recent disclosed Jan 8, 2026.
Running Contentstudio on your site? Check whether your installed version is affected.
Scan your site free[en] Unrestricted Upload of File with Dangerous Type vulnerability in contentstudio Contentstudio contentstudio allows Upload a Web Shell to a Web Server.This issue affects Contentstudio: from n/a through <= 1.3.7.
[en] The ContentStudio plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.3.7. This is due to missing or insufficient nonce validation on the add_cstu_settings function. This makes it possible for unauthenticated attackers to modify plugin settings via a forged requ...
[en] 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...
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 affe...
The ContentStudio plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.3.7. This is due to missing or insufficient nonce validation on the add_cstu_settings function. This makes it possible for unauthenticated attackers to modify plugin settings via a forged request g...
[en] Missing Authorization vulnerability in contentstudio ContentStudio allows Accessing Functionality Not Properly Constrained by ACLs. This issue affects ContentStudio: from n/a through 1.3.4.
The ContentStudio plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to, and including, 1.3.7. This makes it possible for unauthenticated attackers to perform an unauthorized action.
The ContentStudio plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to, and including, 1.3.5. This makes it possible for authenticated attackers, with Subscriber-level access and above, to perform an unauthorized action.
[en] Missing Authorization vulnerability in contentstudio ContentStudio allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects ContentStudio: from n/a through 1.3.3.
The ContentStudio plugin for WordPress is vulnerable to authorization bypass due to an unsecure token check that is susceptible to type juggling in versions up to, and including, 1.2.5. This makes it possible for unauthenticated attackers to execute functions intended for use by users with proper API keys.
The ContentStudio plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 1.2.5. This could allow unauthenticated attackers to obtain a nonce needed for the creation of posts.
[en] The ContentStudio plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on several functions in versions up to, and including, 1.2.5. This makes it possible for unauthenticated attackers to obtain the blog metadata (via the function cstu_get_metadata) that includes the plugin...
[en] The ContentStudio plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 1.2.5. This could allow unauthenticated attackers to obtain a nonce needed for the creation of posts.
[en] The ContentStudio plugin for WordPress is vulnerable to authorization bypass due to an unsecure token check that is susceptible to type juggling in versions up to, and including, 1.2.5. This makes it possible for unauthenticated attackers to execute functions intended for use by users with proper API keys.
The ContentStudio plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on several functions in versions up to, and including, 1.2.5. This makes it possible for unauthenticated attackers to obtain the blog metadata (via the function cstu_get_metadata) that includes the plugin's co...
The ContentStudio plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the cstu_set_token functions in versions up to, and including, 1.1.8. This makes it possible for unauthenticated attackers to set the plugin's API token (via cstu_set_token), which allows further actions...
The ContentStudio plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on the cstu_set_token functions in versions up to, and including, 1.1.8. This makes it possible for unauthenticated attackers to set the plugin's API token (via cstu_set_token), which allows further actions...
Run a free security scan to detect vulnerable plugins and themes, exposed files, and malware — no plugin install, no signup.
Scan your site free