SimpNews comment.php layout2b.php cross-site scripting
| simpnews-comment-layout-xss (36774) |  Medium Risk |
Description:
SimpNews is vulnerable to cross-site scripting, caused by improper validation of user-supplied input by the comment.php or layout2b.php script. A remote attacker could exploit this vulnerability using the backurl or l_username parameter to inject malicious script into a Web page which would be executed in a victim's Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials.
Platforms Affected:
- Bösch IT, SimpNews prior to 2.42.01
Remedy:
Upgrade to the latest version of SimpNews (2.42.01 or later), available from the SimpNews Web site. See References.
Consequences:
Gain Access
References:
- Full-Disclosure Mailing List, Tue Sep 25 2007 - 11:32:25 CDT, SimpNews version 2.41.03 Multiple XSS Attack Vulnerabilities at http://archives.neohapsis.com/archives/fulldisclosure/2007-09/0507.html.
- SimpNews Web site, Boesch IT-Consulting at http://www.boesch-it.de/sw/simpnews.php.
- BID-25809: SimpNews Multiple Cross-Site Scripting Vulnerabilities
- CVE-2007-4874: Multiple cross-site scripting (XSS) vulnerabilities in SimpNews 2.41.03 allow remote attackers to inject arbitrary web script or HTML via the (1) l_username parameter to admin/layout2b.php, and the (2) backurl parameter to comment.php.
- SA26965: SimpNews Two Cross-Site Scripting Vulnerabilities
Reported:
Sep 25, 2007
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