code-projects Online Book Shop Cross-Site Scripting Vulnerability

A cross-site scripting (XSS) vulnerability has been identified in code-projects Online Book Shop version 1.0. The issue resides in the file /subcat.php, where the parameter catnm is not properly validated before being output, allowing for injection of malicious scripts. This vulnerability can be exploited remotely and requires user interaction.

Impact

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

Reproduction

To reproduce this vulnerability, navigate to the /subcat.php file and include a crafted catnm parameter with an unvalidated input, such as an image tag with an onerror event.