CVE-2025-8999 — Sydney <= 2.56 - Missing Authorization to Authenticated (Subscriber+) Limited Theme Options Update
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…
Published: 2025-09-17 · CVSS: 5.3 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7