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.
References (5)
Core 5
Scores
CVSS v3
5.3
EPSS
0.0026
EPSS Percentile
17.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-862
Status
published
Products (1)
athemes/Sydney
< 2.56
Published
Sep 17, 2025
Tracked Since
Feb 18, 2026