CVE-2011-0508
MEDIUM · CVSS 4.3EPSS 1.9%EU EUVD
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.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:P/A:N- Weakness (CWE)
- CWE-79
- EPSS score
- 1.9% (80th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-0528)
- Published
- January 20, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-0528 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- contao / contao cms
References
- http://dev.contao.org/issues/2751
- http://secunia.com/advisories/42899(Vendor Advisory)
- http://www.contao.org/changelog.html(Patch)
- http://www.contao.org/news/items/contao-2_9_3.html(Patch, Vendor Advisory)
- http://www.osvdb.org/70440
- http://www.securityfocus.com/archive/1/515691/100/0/threaded
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64679
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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