Exponent Slideshow XSS Vulnerability

2010-07-08T00:00:00
ID SECURITYVULNS:DOC:24190
Type securityvulns
Reporter Securityvulns
Modified 2010-07-08T00:00:00

Description

Title: Exponent Slideshow XSS Vulnerability Vendor: Exponent Product: Exponent CMS Tested Version: 0.97.0 Threat Class: XSS Severity: High Remote: yes Local: no Discovered By: Andrei Rimsa Alvares

===== Description =====

The file "modules/slideshowmodule/slideshow.js.php" is prone to XSS vulnerabilities. Multiple instance of variable $_GET['u'] gets outputted to the page without proper sanitization.

===== Impact =====

Malicious java script code can be executed in the context of the affected web site.

===== Proof of Concept =====

http://target/modules/slideshowmodule/slideshow.js.php?u=%3Cscript%3Ewindow.alert(String.fromCharCode(88,83,83));%3C/script%3E

===== Workaround =====

No workaround is available at the time.

===== Disclosure Timeline =====

June, 16 2010 - Vendor notification. July, 07 2010 - No vendor reply. Public disclosure.

===== References =====

http://www.exponentcms.org


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