CVE-2011-0508
Cross-site scripting (XSS) vulnerability in system/modules/comments/Comments.php in Contao CMS 2...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2011-0508- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-0508- Updated
- 2026-11-02
EUVDEUVD-2011-0528 No score
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.
- Record
EUVD-2011-0528- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-gfg7-fg26-2g7j No score
Cross-site scripting (XSS) vulnerability in system/modules/comments/Comments.php in Contao CMS 2...
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.
- Record
GHSA-gfg7-fg26-2g7j- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2011-0508 is a medium vulnerability (CVSS 4.3) in Contao Cms, published January 20, 2011. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.92%, the 80th percentile. No source names a fixed version.
References
dev.contao.org/issues/2751
exchange.xforce.ibmcloud.com/vulnerabilities/64679
osvdb.org/70440
secunia.com/advisories/42899
contao.org/news/items/contao-2_9_3.html
securityfocus.com/archive/1/515691/100/0/threaded
nvd.nist.gov/vuln/detail/CVE-2011-0508
github.com/advisories/GHSA-gfg7-fg26-2g7j