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CVE-2025-67910

WordPress Contentstudio plugin <= 1.3.7 - Arbitrary File Upload vulnerability

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.

CVSS 3.1 · 9.1 Critical EPSS < 1% KEV · Not listed
Vendors
Contentstudio Wordpress
Products
Contentstudio Wordpress
CVE-2025-47692

WordPress ContentStudio plugin <= 1.3.5 - Broken Access Control Vulnerability

Missing Authorization vulnerability in contentstudio Contentstudio contentstudio allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Contentstudio: from n/a through <= 1.3.5.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Contentstudio
Products
Contentstudio
CVE-2025-13144

ContentStudio <= 1.3.7 - Cross-Site Request Forgery to Settings Update

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 granted they can trick a site administrator into performing an action such as clicking on a link.

CVSS 3.1 · 4.3 Medium EPSS < 1% KEV · Not listed
Vendors
Contentstudio Wordpress
Products
Contentstudio Wordpress
CVE-2025-12181

ContentStudio <= 1.3.7 - Authenticated (Author+) Arbitrary File Upload

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. CVE-2025-67910 is likely a duplicate of this.

CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Vendors
Contentstudio Wordpress
Products
Contentstudio Wordpress
CVE-2023-0558

ContentStudio <= 1.2.5 - Authorization Bypass

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.

CVSS 3.1 · 8.2 High EPSS < 1% KEV · Not listed
Vendors
Contentstudio
Products
Contentstudio
CVE-2023-0557

ContentStudio <= 1.2.5 - Information Exposure

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.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Contentstudio
Products
Contentstudio
CVE-2023-0556

ContentStudio <= 1.2.5 - Missing Authorization

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 contentstudio_token. Knowing this token allows for other interactions with the plugin such as creating posts in versions prior to 1.2.5, which added other requirements to posting and updating.

CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Vendors
Contentstudio
Products
Contentstudio