What the vulnerability does
01Description
Missing Authorization vulnerability in Passionate Brains Add Expires Headers & Optimized Minify add-expires-headers allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Add Expires Headers & Optimized Minify: from n/a through <= 3.2.0.
Explanation of Vulnerability in Simple Terms
02Summary
The Add Expires Headers & Optimized Minify plugin for WordPress contains a missing authorization flaw that allows unauthenticated attackers to trigger a denial-of-service condition. An attacker can send network requests without authentication to exhaust server resources or cause the site to become unavailable. This affects all versions up to and including 3.2.0.
What an attacker can do
03Attacker Capabilities
Make the site unavailable or unresponsive by sending repeated requests without logging in.
Potential impact on your site
04Site Impact
Your site may become slow or offline if targeted; no data theft or modification risk.
Conditions required to exploit
05Prerequisites
Network access only; no authentication or user interaction required.
Key dates
06Disclosure timeline
January 23, 2026
CVE published
April 28, 2026
Record updated