CVE-2011-0508

Name: CVE-2011-0508
Creator: NVD / NIST
Published: 2011-01-20T19:00:10.817+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 1.92%

Last modified Jun 16, 2026

CVE-2011-0508 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 1.92% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

1.92%

77.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Contao	Contao Cms	2.9.2

References

Timeline

Published: Jan 20, 2011
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2011-0508?

How severe is CVE-2011-0508?

Severity scoring for CVE-2011-0508 is pending analysis. The EPSS model estimates a 1.92% probability of exploitation in the next 30 days.

How do I fix CVE-2011-0508?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2011-0508?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST