CVE-2025-8999
Unknown Unknown - Not Provided
BaseFortify

Publication date: 2025-09-17

Last updated on: 2026-04-08

Assigner: Wordfence

Description
The Sydney theme for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'activate_modules' function in all versions up to, and including, 2.56. This makes it possible for authenticated attackers, with Subscriber-level access and above, to activate or deactivate various theme modules.
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Meta Information
Published
2025-09-17
Last Modified
2026-04-08
Generated
2026-06-16
AI Q&A
2025-09-17
EPSS Evaluated
2026-06-14
NVD
CVE-2025-8999
EUVD
EUVD-2025-29712
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
wordpress sydney 2.55
wordpress sydney 2.56
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
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Executive Summary

The Sydney theme for WordPress has a vulnerability due to a missing capability check in the 'activate_modules' function. This allows authenticated users with Subscriber-level access or higher to activate or deactivate various theme modules without proper authorization.

Impact Analysis

This vulnerability can allow unauthorized users with low-level access to modify the theme's modules, potentially altering the website's functionality or appearance without permission, which could lead to integrity issues or misuse of the site.

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