Vulnerability: Custom 404 Pro < 3.2.8 - Cross-Site Scripting

Custom 404 Pro before 3.2.9 is susceptible to cross-site scripting via the title parameter due to insufficient input sanitization and output escaping. An attacker can inject arbitrary script in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication credentials and launch other attacks.

Impact

Successful exploitation of this vulnerability could allow an attacker to execute malicious scripts in the context of the victim’s browser, potentially leading to session hijacking, defacement, or theft of sensitive information.

Severity

medium

Verified

Unknown