CVE-2025-69353 MEDIUM

CVE-2025-69353: WordPress Proxy & VPN Blocker plugin <= 3.5.3 - Broken Access Control vulnerability

Vendor Proxy & Vpn Blocker
Product Proxy & VPN Blocker
Weakness CWE-862 · Missing authorization
Published January 6, 2026
Last update April 28, 2026

CVSS base score

4.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in Proxy & VPN Blocker Proxy & VPN Blocker proxy-vpn-blocker allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Proxy & VPN Blocker: from n/a through <= 3.5.3.

Explanation of Vulnerability in Simple Terms

02Summary

Proxy & VPN Blocker versions 3.5.3 and earlier lack proper authorization checks, allowing authenticated users to modify settings or data they should not access. An attacker with a low-privilege account can change configuration without proper permission validation. This affects the integrity of the blocker's rules and settings. Update to a version newer than 3.5.3.

What an attacker can do

03Attacker Capabilities

Modify blocker settings or data without proper authorization as a low-privilege user.

Potential impact on your site

04Site Impact

Unauthorized users can alter proxy/VPN blocking rules, potentially disabling protections or changing site behavior.

Conditions required to exploit

05Prerequisites

Attacker must have a valid low-privilege account on the site.

Key dates

06Disclosure timeline

January 6, 2026 CVE published
April 28, 2026 Record updated