CVE-2025-13529CWE-862
Unify <= 3.4.9 - Missing Authorization to Unauthenticated Option Deletion via 'unify_plugin_downgrade' Parameter
Medium · published January 7, 2026
What it is
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.
The record
Technical detail
- CVSS v3.1
- 5.3 · MEDIUM
- Vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CVSS v4.0
- Not supplied
- EPSS
- 0.00270 · 18.1th percentile
- Weakness
- CWE-862 · Missing Authorization
- Published
- 2026-01-07T08:21Z
EPSS history
Timeline