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CVE-2011-4335

25
FAUCET Score

CVE-2011-4335 describes multiple cross-site scripting (XSS) vulnerabilities in Contao CMS versions prior to 2.10.2. These flaws allow remote attackers to inject arbitrary web script or HTML through specially crafted PATH_INFO to index.php, specifically impacting the 'teachers.html' or 'teachers/' actions. With a CVSS score of 4.3, this vulnerability has a medium attack complexity and requires no authentication, potentially leading to information disclosure or session hijacking. While there is an ExploitDB entry (EDB-36225) confirming exploit code availability, there is no evidence of active exploitation, Metasploit modules, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 2.10.1CPE matchmatch criteria
cpe:2.3:a:contao:contao_cms:*:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:contao:contao_cms:2.0:*:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:contao:contao_cms:2.0:beta-rc1:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:contao:contao_cms:2.0:beta-rc2:*:*:*:*:*:*
2.0CPE matchmatch criteria
cpe:2.3:a:contao:contao_cms:2.0:beta-rc3:*:*:*:*:*:*

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
1.54%
Probability of exploitation in next 30 days
EPSS Percentile
72.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
ExploitDB: EDB-36225 · Oct 2, 2011
This CVE's current EPSS score of 0.0154 is in the 47th 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 / projects/typolight/repository/revisions/1041
openwall.com / lists/oss-security/2011/11/21/30
openwall.com / lists/oss-security/2011/11/22/1
rul3z.de / advisories/SSCHADV2011-025.txt
securityfocus.com / archive/1/520046/100/0/threaded