CVE-2006-2303

Cross-Application Scripting (XAS) vulnerability in ICQ Client 5.04 build 2321 and earlier allows remote attackers to inject arbitrary web script from one application into another via a banner, which is processed in the My Computer zone using the Internet Explorer COM object.

Published: 2006-05-11 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-2303 is rated Moderate Risk (51.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.58%). Review affected assets and schedule remediation.

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

Exploit prediction scoring system (EPSS) score for CVE-2006-2303

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 2026-06-15 0.76% 1.58% +0.82%
2 2025-07-15 0.56% 0.76% +0.20%
3 2025-06-04 — 0.56% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-2303

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.4 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 10.0 4.9 [email protected]

Weakness enumeration for CVE-2006-2303

Affected software / configurations for CVE-2006-2303

Vendor Product Version Raw CPE
mirabilis icq 5.04_build2321 cpe:2.3:a:mirabilis:icq:5.04_build2321:*:*:*:*:*:*:*

References for CVE-2006-2303

cvelogic Threat Intelligence