B2Evolution Error Pages Multiple Cross-Site Scripting Vulnerabilities

BID:21334

Info

B2Evolution Error Pages Multiple Cross-Site Scripting Vulnerabilities

Bugtraq ID: 21334
Class: Input Validation Error
CVE:
Remote: Yes
Local: No
Published: Nov 16 2006 12:00AM
Updated: Nov 29 2006 10:19PM
Credit: lotto fischer is credited with the discovery of these vulnerabilities.
Vulnerable: b2evolution b2evolution 1.8.2
b2evolution b2evolution 1.9
Not Vulnerable:

Discussion

B2Evolution Error Pages Multiple Cross-Site Scripting Vulnerabilities

The b2evolution application is prone to multiple cross-site scripting vulnerabilities because it fails to properly sanitize user-supplied input.

An attacker may leverage these issues to have arbitrary script code execute in the browser of an unsuspecting user in the context of the affected site. This may help the attacker to steal cookie-based authentication credentials and to launch other attacks.

This issue affects b2evolution versions 1.8.2 to 1.9 beta.

Exploit / POC

B2Evolution Error Pages Multiple Cross-Site Scripting Vulnerabilities

Attackers can exploit these issues via a web client.

The following proof-of-concept URIs are available:

http://<www.example.com>/<b2epath>/inc/VIEW/errors/_404_not_found.page.php?baseurl=[XSS]&app_name=[XSS]
http://<www.example.com>/<b2epath>/inc/VIEW/errors/_410_stats_gone.page.php?app_name=[XSS]
http://<www.example.com>/<b2epath>/inc/VIEW/errors/_referer_spam.page.php?ReqURI=[XSS]&app_name=[XSS]

Solution / Fix

B2Evolution Error Pages Multiple Cross-Site Scripting Vulnerabilities

Solution:
The vendor has released fixes for these issues. Please see the references for more information.


b2evolution b2evolution 1.9

b2evolution b2evolution 1.8.2

References

B2Evolution Error Pages Multiple Cross-Site Scripting Vulnerabilities

References:
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