HTML Purifier Unspecified Cross-Site Scripting Vulnerability

Bugtraq ID:	39709
Class:	Input Validation Error
CVE:
Remote:	Yes
Local:	No
Published:	Apr 26 2010 12:00AM
Updated:	Apr 26 2010 12:00AM
Credit:	Mario Heiderich
Vulnerable:	Edward Z. Yang HTML Purifier 4.0
Not Vulnerable:	Edward Z. Yang HTML Purifier 4.1

HTML Purifier Unspecified Cross-Site Scripting Vulnerability

HTML Purifier is prone to a cross-site scripting vulnerability because the application fails to properly sanitize user-supplied input.

An attacker may leverage this issue to execute arbitrary script code 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.

Versions prior to HTML Purifier 4.1.0 are affected.

HTML Purifier Unspecified Cross-Site Scripting Vulnerability

An attacker can exploit this issue by enticing an unsuspecting user to follow a malicious URI.

HTML Purifier Unspecified Cross-Site Scripting Vulnerability

Solution:
The vendor has released fixes to address this issue; please see the reference section for details.

HTML Purifier Unspecified Cross-Site Scripting Vulnerability

References:

• HTML Purifier 4.1 released (Edward Z. Yang)
  
• HTML Purifier Web Site (Edward Z. Yang)