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Fencer Vulns
medium 4.3

CVE-2006-2066 json

Multiple cross-site scripting (XSS) vulnerabilities pm_popup.php in MKPortal 1.1 Rc1 and earlier, as used with vBulletin 3.5.4 and earlier,…

published 2006-04-27 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-2067

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.7%
EPSS 2.7% chance of exploitation in 30 days, percentile 85%
public exploits
1
Exploit-DB

Summary

Multiple cross-site scripting (XSS) vulnerabilities pm_popup.php in MKPortal 1.1 Rc1 and earlier, as used with vBulletin 3.5.4 and earlier, allow remote attackers to inject arbitrary web script or HTML via the (1) u1, (2) m1, (3) m2, (4) m3, (5) m4 parameters.

Timeline

  1. Published
  2. First public exploit (EDB-28716)

Exploit prediction

2.68% chance of exploitation in the next 30 days, higher than 85% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-28716 MKPortal 1.0/1.1 - 'PMPopup.php' Cross-Site Scripting webapps, 2006-09-27
  • nukedx.com http://www.nukedx.com/?viewdoc=26 referenced PoC, tagged "exploit" by a source, unverified
  • securitytracker.com http://securitytracker.com/id?1015977 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.