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CVE-2006-2066

21
FAUCET Score

CVE-2006-2066 describes multiple cross-site scripting (XSS) vulnerabilities in the pm_popup.php script of MKPortal 1.1 Rc1 and earlier, specifically when used with vBulletin 3.5.4 and earlier. Attackers can inject arbitrary web script or HTML through various parameters (u1, m1, m2, m3, m4). This vulnerability has a CVSS score of 4.3, indicating a medium severity, as it requires medium attack complexity and results in partial integrity impact without affecting confidentiality or availability. While there is no evidence of active exploitation, an exploit is publicly available on ExploitDB, though there is minimal community discussion or media coverage surrounding this older vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
1.1_rc1CPE matchmatch criteria
cpe:2.3:a:mkportal:mkportal:1.1_rc1:*:*:*:*:*:*:*

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
2.62%
Probability of exploitation in next 30 days
EPSS Percentile
83.9%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
ExploitDB: EDB-28716 · Sep 27, 2006
This CVE's current EPSS score of 0.0262 is in the 75th percentile among its peer group of 19,955 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/19786
Vendor Advisory
securityreason.com / securityalert/801
securitytracker.com / id
Exploit
nukedx.com
ExploitVendor Advisory
osvdb.org / 24901
securityfocus.com / archive/1/431759/100/0/threaded
securityfocus.com / archive/1/447195/100/0/threaded
securityfocus.com / archive/1/447303/100/0/threaded
securityfocus.com / bid/17651
securityfocus.com / bid/20232
vupen.com / english/advisories/2006/1485
Vendor Advisory