Phorum HTML Injection Vulnerability

Phorum HTML Injection Vulnerability

Phorum is a web based message board written in PHP. Phorum is designed
with high-availability and visitor ease of use in mind. Features such
as mailing list integration, easy customization and simple installation
make Phorum a powerful add-in to any website.

Phorum is prone to a cross-site scripting vulnerability. The issue is in the module
register.php An attacker may leverage this issue to have arbitrary script code execute in the
browser of an unsuspecting user in the context of the affected site. This may help the
attacker steal cookie-based authentication credentials and launch other attacks.

Hackers Center Security Group (http://www.hackerscenter.com)

Credit: Doz

Risk: Medium
vendor: http://www.phorum.org/

Class: Cross-Site Scripting
Remote: Yes
Local: Yes

Version: 5.1.18
Exploit: An attacker can exploit these issues via a web client.

Solution: Filtering out Script characters and limiting fewer characters for Username.