Vulnerability CVE-2011-0508
Published: 2011-01-20   Modified: 2012-02-13

Description:
Cross-site scripting (XSS) vulnerability in system/modules/comments/Comments.php in Contao CMS 2.9.2, and possibly other versions before 2.9.3, allows remote attackers to inject arbitrary web script or HTML via the HTTP X_FORWARDED_FOR header, which is stored by system/libraries/Environment.php but not properly handled by a comments action to main.php.

See advisories in our WLB2 database:
Topic
Author
Date
Low
Contao CMS 2.9.2 - Persistent Cross Site Scripting Issue
David Vieira-Kur...
13.01.2011

Type:

CWE-79

 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting'))

CVSS2 => (AV:N/AC:M/Au:N/C:N/I:P/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
4.3/10
2.9/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
None
Partial
None
Affected software
Contao -> Contao cms 

 References:
http://dev.contao.org/issues/2751
http://www.contao.org/changelog.html
http://www.contao.org/news/items/contao-2_9_3.html
http://www.securityfocus.com/archive/1/515691/100/0/threaded
https://exchange.xforce.ibmcloud.com/vulnerabilities/64679
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