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CVE-2006-4540

27
FAUCET Score

CVE-2006-4540 describes a Cross-Site Scripting (XSS) vulnerability found in the learncenter.asp component of Learn.com LearnCenter, allowing remote attackers to inject arbitrary web script or HTML through the 'id' parameter. This vulnerability carries a CVSS score of 6.8, indicating a medium severity, with a network attack vector, medium attack complexity, and potential for partial impact on confidentiality, integrity, and availability. While not listed in CISA's KEV catalog, an ExploitDB entry (EDB-28466) confirms the existence of public exploit code. Despite this, there is no evidence of active exploitation, and the vulnerability has received minimal community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:learn.com:learncenter:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

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

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
2.15%
Probability of exploitation in next 30 days
EPSS Percentile
80.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
ExploitDB: EDB-28466 · Aug 30, 2006
This CVE's current EPSS score of 0.0215 is in the 68th percentile among its peer group of 19,954 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

secunia.com / advisories/21716
Vendor Advisory
exchange.xforce.ibmcloud.com / vulnerabilities/28694
attrition.org / pipermail/vim/2006-October/001093.html
osvdb.org / 28306
Exploit
securityfocus.com / archive/1/444842
ExploitVendor Advisory
securityfocus.com / bid/19781
Exploit
vupen.com / english/advisories/2006/3432