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CVE-2011-0508

16
FAUCET Score

CVE-2011-0508 describes a cross-site scripting (XSS) vulnerability in Contao CMS version 2.9.2 and potentially earlier versions. This flaw allows remote attackers to inject malicious web script or HTML via the HTTP X_FORWARDED_FOR header, which is improperly processed when displayed in comments. The vulnerability has a CVSS score of 4.3, indicating a medium attack complexity and partial impact on integrity, with no impact on confidentiality or availability. There is no known active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.9.2CPE matchmatch criteria
cpe:2.3:a:contao:contao_cms:2.9.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

4.3MEDIUM

AV:N/AC:M/Au:N/C:N/I:P/A:N

Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
NONE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
1.92%
Probability of exploitation in next 30 days
EPSS Percentile
77.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0192 is in the 61st percentile among its peer group of 19,955 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

dev.contao.org / issues/2751
secunia.com / advisories/42899
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/64679
contao.org / changelog.html
Patch
contao.org / news/items/contao-2_9_3.html
PatchVendor Advisory
osvdb.org / 70440
securityfocus.com / archive/1/515691/100/0/threaded