CVE-2011-0508

medium

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.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/64679

http://www.securityfocus.com/archive/1/515691/100/0/threaded

http://www.osvdb.org/70440

http://www.contao.org/news/items/contao-2_9_3.html

http://www.contao.org/changelog.html

http://secunia.com/advisories/42899

http://dev.contao.org/issues/2751

Details

Source: Mitre, NVD

Published: 2011-01-20

Updated: 2026-06-16

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.1

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Severity: Medium

EPSS

EPSS: 0.00499