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OpenAdvisories
Medium · 5.3 CVE-2025-8999 EUVD-2025-29712GHSA-8p5x-g3gq-fwxp

Sydney <= 2.56 - Missing Authorization to Authenticated (Subscriber+) Limited Theme Options Update

Published Sep 17, 2025 · Updated Apr 8, 2026 · Assigned by 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.

Affected products

VendorProductAffectedFixed
athemes Sydney ≤ 2.56 —

References