How severe is CVE-2006-4308?

CVE-2006-4308 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2006-4308 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2006-4308?

CVE-2006-4308 primarily affects Blackboard. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2006-4308?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2006-4308 published?

CVE-2006-4308 was published on 2006-08-23 and last updated on 2026-06-16.

CVE-2006-4308

CVE-2006-4308 is a medium-severity vulnerability in Blackboard with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (78th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Blackboard
Published: 2006-08-23
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2006-4308?: 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.
How severe is CVE-2006-4308?: CVE-2006-4308 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2006-4308 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (78th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2006-4308?: CVE-2006-4308 primarily affects Blackboard. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2006-4308?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2006-4308 published?: CVE-2006-4308 was published on 2006-08-23 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:blackboard:blackboard:6.0:*:*:*:*:*:*:*
cpe:2.3:a:blackboard:blackboard_learning_and_community_portal_suite:6.0:*:*:*:*:*:*:*
cpe:2.3:a:blackboard:blackboard_learning_and_community_portal_suite:6.2.3.23:*:*:*:*:*:*:*
cpe:2.3:a:blackboard:vista:4:*:*:*:*:*:*:*

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