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Exponent CMS User Registration Script Insertion

Secunia Advisory: SA29875  
Release Date: 2008-04-18
Last Update: 2008-05-02

Critical:
Moderately critical
Impact: Cross Site Scripting
Where: From remote
Solution Status: Vendor Patch

Software:Exponent CMS 0.x

CVE reference:CVE-2008-1972 (Secunia mirror)

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Description:
Some vulnerabilities have been discovered in Exponent CMS, which can be exploited by malicious people to conduct script insertion attacks.

Input passed to the username, firstname, lastname, and e-mail address fields when creating a new account is not properly sanitised before being stored. This can be exploited to insert arbitrary HTML and script code, which is executed in a user's browser session in context of an affected site when the malicious data is viewed.

Successful exploitation requires that the "Allow Registration?" configuration option is enabled.

The vulnerabilities are confirmed in version 0.96.6-GA20071003 and reported in all previous versions.

Solution:
Apply the vendor's official patch.

Provided and/or discovered by:
Reported by the vendor.

Changelog:
2008-05-02: Added CVE reference.

Original Advisory:
http://www.exponentcms.org/index.php?...smodule&src=%40random44fe03276195



Please note: The information that this Secunia Advisory is based on comes from a third party unless stated otherwise.

Secunia collects, validates, and verifies all vulnerability reports issued by security research groups, vendors, and others.

5 Related Secunia Security Advisories

1. Exponent CMS "icodir" Directory Listing Disclosure Weakness
2. Exponent CMS "view" Local File Inclusion Vulnerability
3. Exponent CMS Unspecified PHP Code Injection Vulnerabilities
4. Exponent CMS Multiple Vulnerabilities
5. Exponent CMS "module" Parameter Cross-Site Scripting Vulnerability


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