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CVE-2011-2499

21
FAUCET Score

CVE-2011-2499 describes multiple Cross-Site Scripting (XSS) vulnerabilities in Mambo CMS up to version 4.6.5. This medium-severity vulnerability (CVSS 6.1) allows an unauthenticated attacker to inject malicious scripts into web pages, impacting the confidentiality and integrity of user sessions. While no public exploits or active exploitation have been identified, and community discussion is minimal, the flaw remains a potential risk for unpatched Mambo CMS installations.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.6.5CPE matchmatch criteria
cpe:2.3:a:mambo-foundation:mambo_cms:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.1MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
NONE
Exploitability Score
2.8
Impact Score
2.7
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.65%
Probability of exploitation in next 30 days
EPSS Percentile
47.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0065 is in the 51st percentile among its peer group of 26,219 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

openwall.com / lists/oss-security/2011/06/28/15
Mailing ListThird Party Advisory