Vulnerability found:

31 March 2011

Vendor informed:

15 April 2011

Severity level:



Jan Fry of ProCheckUp Ltd (


Cross-site scripting

Vulnerable server-side script: '/webapp/webadmin/app-web-passforward-webadmin/index.cgi'

Unfiltered parameters: 'back_file'

PoC: /webapp/webadmin/app-web-passforward-webadmin/index.cgi?appName=a&back_file=test"><script>alert(1)</script>a

Consequence: An attacker may be able to cause execution of scripting code within the browser of a victim user who clicks on a malicious link. Such code would run within the context of the target domain. This type of attack can result in non-persistent defacement of the target site, or the redirection of confidential information (i.e.: session IDs or passwords) to unauthorised third parties.

How to fix:

Apply patches or upgrade to Version 7.4 SP2, or


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