CVE-2006-4308

Exp

Multiple cross-site scripting (XSS) vulnerabilities in Blackboard Learning System 6, Blackboard Learning and Community Portal Suite 6.2.3.23, and Blackboard Vista 4 allow remote attackers to inject arbitrary Javascript, VBScript, or HTML via (1) data, (2) vbscript, and (3) malformed javascript URIs in various HTML tags when posting to the Discussion Board.

Published: 2006-08-23 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-4308 is rated High Exploit Risk (60.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.00%). 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.04% over the last day, indicating growing attacker interest. 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-2006-4308

EDB-ID Source Kind Published Link
28324 exploit_db edb 2006-08-24 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2006-4308

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 0.96% 2.00% +1.04%
2 2025-04-11 0.92% 0.96% +0.04%
3 2025-03-30 — 0.92% —

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-4308

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-2006-4308

Affected software / configurations for CVE-2006-4308

Vendor Product Version Raw CPE
blackboard blackboard 6.0 cpe:2.3:a:blackboard:blackboard:6.0:*:*:*:*:*:*:*
blackboard blackboard_learning_and_community_portal_suite 6.0 cpe:2.3:a:blackboard:blackboard_learning_and_community_portal_suite:6.0:*:*:*:*:*:*:*
blackboard blackboard_learning_and_community_portal_suite 6.2.3.23 cpe:2.3:a:blackboard:blackboard_learning_and_community_portal_suite:6.2.3.23:*:*:*:*:*:*:*
blackboard vista 4 cpe:2.3:a:blackboard:vista:4:*:*:*:*:*:*:*

References for CVE-2006-4308

cvelogic Threat Intelligence