Breeze Cache Plugin Stored XSS via Minification

Executive Summary

The Breeze Cache WordPress plugin, before version 2.5.6, is vulnerable to an unauthenticated Stored Cross-Site Scripting (XSS) attack.

This vulnerability occurs because the plugin uses a predictable replacement hash during the HTML minification process and an exploitable regular expression.

An attacker can exploit this by anticipating the placeholder format and injecting arbitrary HTML attributes into the final HTML output.

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Impact Analysis

This vulnerability allows an attacker to perform a Stored Cross-Site Scripting (XSS) attack without authentication.

Such an attack can lead to the injection of malicious HTML attributes into web pages served by the affected plugin, potentially compromising the security of users visiting the site.

The impact includes theft of user credentials, session hijacking, defacement, or distribution of malware through the affected website.

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Detection Guidance

There is no specific information provided about detection methods or commands to identify this vulnerability on your network or system.

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Mitigation Strategies

To mitigate this vulnerability, you should update the Breeze Cache WordPress plugin to version 2.5.6 or later, as versions prior to 2.5.6 are vulnerable to unauthenticated Stored Cross-Site Scripting (XSS) attacks.

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