Vulnerability · Published Jan 7, 2026 · Assigned by Wordfence

CVE-2025-13529Unify <= 3.4.9 - Missing Authorization to Unauthenticated Option Deletion via 'unify_plugin_downgrade' Parameter

Medium 5.3

In plain English

A medium-severity missing authorization in Unify from codeclouds. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 19% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.3%top 80.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

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.

Affected products (as reported)

VendorProductVersions
codeclouds Unify 0 – through 3.4.9

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

References