What the vulnerability does
01Description
Missing Authorization vulnerability in AresIT WP Compress wp-compress-image-optimizer allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects WP Compress: from n/a through <= 6.50.54.
Explanation of Vulnerability in Simple Terms
02Summary
WP Compress versions 6.50.54 and earlier lack proper authorization checks, allowing unauthenticated attackers to trigger a denial-of-service condition over the network. The vulnerability requires no user interaction and can be exploited remotely. Site availability may be impacted if the plugin is active.
What an attacker can do
03Attacker Capabilities
Make the site unavailable or unresponsive by triggering resource exhaustion.
Potential impact on your site
04Site Impact
Your site may become slow or unavailable if WP Compress is active and unpatched.
Conditions required to exploit
05Prerequisites
Network access only; no authentication or user interaction required.
Key dates
06Disclosure timeline
September 22, 2025
CVE published
April 28, 2026
Record updated