What the vulnerability does
01Description
The WP Maintenance plugin for WordPress is vulnerable to IP Address Spoofing in all versions up to, and including, 6.1.9.2 due to insufficient IP address validation and use of user-supplied HTTP headers as a primary method for IP retrieval. This makes it possible for unauthenticated attackers to bypass maintenance mode.
Explanation of Vulnerability in Simple Terms
02Summary
WP Maintenance versions 6.1.9.2 and earlier contain a flaw that allows an attacker to read sensitive information from the site without authentication. The vulnerability stems from improper access controls on certain endpoints. An attacker can exploit this over the network without user interaction to access confidential data.
What an attacker can do
03Attacker Capabilities
Read sensitive information from the site without logging in.
Potential impact on your site
04Site Impact
Confidential data may be exposed to unauthenticated visitors.
Conditions required to exploit
05Prerequisites
Network access to the site; no authentication or user interaction required.
Key dates
06Disclosure timeline
June 19, 2024
CVE published
April 8, 2026
Record updated