CVE-2007-5227

Multiple cross-site scripting (XSS) vulnerabilities in messaging/course/composeMessage.jsp in BlackBoard Learning System 6.3.1.593 and earlier in BlackBoard Academic Suite allow remote attackers to inject arbitrary web script or HTML via the (1) subject_t and (2) body_text parameters. NOTE: vector 2 requires bypassing a client-side security mechanism that attempts to block XSS sequences.

Published: 2007-10-05 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2007-5227 is rated Moderate Risk (45.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.06%). Mandatory action: 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-2007-5227

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 2026-05-24 0.47% 1.06% +0.59%
2 2025-12-20 0.35% 0.47% +0.12%
3 2025-03-17 0.35%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-5227

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-2007-5227

Affected software / configurations for CVE-2007-5227

Vendor Product Version Raw CPE
blackboard blackboard_learning_and_community_post_systems 6.3.1.593 cpe:2.3:a:blackboard:blackboard_learning_and_community_post_systems:6.3.1.593:*:*:*:*:*:*:*

References for CVE-2007-5227

cvelogic Threat Intelligence