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

2026-01-06 19:46

Legion Hunter

Strategic Overview

Status

Patched in 3.4.10

Affected PluginUnify

Affected Version<= 3.4.9

CVSS5.3Medium

CVECVE-2025-13529

View all Unify vulnerabilities

Vulnerability Overview

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.

Technical Analysis

REMEDIATION: Update to version 3.4.10, or a newer patched version --- IDENTIFIER: CWE-862 (Missing Authorization) The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

External References

https://www.cve.org/CVERecord?id=CVE-2025-13529 https://www.wordfence.com/threat-intel/vulnerabilities/id/b5fd4a47-0549-4d03-b81a-ad97d3d5d390

CVSS Vector

5.3

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityLow
AvailabilityNone

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