CVE-2025-8999

Medium

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.

SeverityMedium
CVSS5.3
Exploit probability—
ProductSydney
PublishedSep 17, 2025
First seenSep 17, 2025

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
athemes Sydneyv ≤ 2.56—

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