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TI-2011-00435 Aliases CVE-2011-0508GHSA-gfg7-fg26-2g7j

Cross-site scripting (XSS) vulnerability in system/modules/comments/Comments.php in…

Priority LOW 24CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · Partial · None
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

EPSS 0.0192 80th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:contao:contao_cms:2.9.2:*:*:*:*:*:*:*2.9.2Vulnerablecontao
  • cpe:2.3:a:contao:contao_cms:2.9.2:*:*:*:*:*:*:* Versions 2.9.2 Vulnerable ·contao

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-0508
  2. 2026-10-03 Alias added: GHSA-gfg7-fg26-2g7j

References

Patch 2

Other 2

  • TI-2014-01453 Contao CMS through 3.2.4 has PHP Object Injection Vulnerabilities CVSS 3.1CRITICAL 9.8
  • TI-2019-07939 Contao 4.7 allows Use of a Key Past its Expiration Date. CVSS 3.0CRITICAL 9.8
  • TI-2019-07937 Contao before 3.5.39 and 4.x before 4.7.3 has a Weak Password Recovery Mechanism for a Forgotten Password. CVSS 3.0CRITICAL 9.8
  • TI-2017-12170 Contao 3.0.0 to 3.5.30 and 4.0.0 to 4.4.7 contains an SQL injection vulnerability in the… CVSS 3.0CRITICAL 9.8
  • TI-2017-08073 Contao before 3.5.28 and 4.x before 4.4.1 allows remote attackers to include and execute… CVSS 3.0HIGH 8.8
  • TI-2019-07938 Contao 4.7 allows CSRF. CVSS 3.0HIGH 8.8
See all 10 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences