CVE-2006-2066

Exp

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.

Published: 2006-04-27 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-2066 is rated High Exploit Risk (64.4/100): CVSS Medium severity, with high exploitation likelihood (EPSS 9.71%, 93th percentile). 3 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2006-2066

EDB-ID Source Kind Published Link
28716 exploit_db edb 2006-09-27 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2006-2066

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-09-07 9.90% 9.71% -0.19%
2 2025-03-30 6.12% 9.90% +3.78%
3 2025-03-29 — 6.12% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-2066

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.3 2.0 MEDIUM
AV:N/AC:M/Au:N/C:N/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 8.6 2.9 [email protected]

Weakness enumeration for CVE-2006-2066

Affected software / configurations for CVE-2006-2066

Vendor Product Version Raw CPE
mkportal mkportal 1.1_rc1 cpe:2.3:a:mkportal:mkportal:1.1_rc1:*:*:*:*:*:*:*

References for CVE-2006-2066

cvelogic Threat Intelligence