CVE-2025-13529 Unify <= 3.4.9 - Missing Authorization to Unauthenticated Option Deletion via 'unify_plugin_downgrade' Parameter
Unauthenticated attackers can delete specific plugin options due to a missing capability check in the Unify WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-13529?
CVE-2025-13529 is a medium-severity missing authorization vulnerability in codeclouds Unify, published on 7 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Unify plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'init' action in all versions up to, and including, 3.4.9. This makes it possible for unauthenticated attackers to delete specific plugin options via the 'unify_plugin_downgrade' parameter.
Weakness: CWE-862
Which versions are affected by CVE-2025-13529?
How do I fix CVE-2025-13529?
No fix has been published for CVE-2025-13529 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-13529 being exploited?
There is no known exploitation of CVE-2025-13529 in the wild and no public exploit code.
Sources
Also known as GHSA-f993-f86j-2hw6.