WordPress Syntax Highlighter Compress Plugin Reflected Cross-Site Scripting Vulnerability

A reflected cross-site scripting vulnerability has been identified in the WordPress Syntax Highlighter Compress plugin, specifically in versions through 3.0.83.3. This vulnerability arises from improper input sanitization during web page generation, allowing attackers to inject malicious scripts that could be executed when users visit the affected page.

Impact

Exploitation of this vulnerability allows for reflected cross-site scripting, where an attacker can inject malicious scripts that are executed in the context of the user's browser.

Remediation

Users are advised to update to a version of the Syntax Highlighter Compress plugin that is not vulnerable. Patchstack offers a mitigation rule to block attacks until an official fix is available.