CVE-2006-4308

Blackboard Learning System - Cross-Site Scripting

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2006-4308. PoCs published by proton.

AI-analyzed exploit summary This exploit demonstrates multiple HTML injection and XSS vulnerabilities in Blackboard products, allowing attackers to execute arbitrary script code in the context of the affected website. It includes various techniques for defacement and cookie theft, targeting both IE and Firefox browsers.

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.

Exploits (1)

exploitdb WORKING POC VERIFIED
by proton · textwebappsphp
https://www.exploit-db.com/exploits/28324

This exploit demonstrates multiple HTML injection and XSS vulnerabilities in Blackboard products, allowing attackers to execute arbitrary script code in the context of the affected website. It includes various techniques for defacement and cookie theft, targeting both IE and Firefox browsers.

Classification
Working Poc 90%
Attack Type
Xss
Complexity
Trivial
Reliability
Reliable
Target: Blackboard Learning System (Release 6), Blackboard Learning and Community Portal Suite (Release 6 build 6.2.3.23), Blackboard Academic Suite - Vista 4
No auth needed
Prerequisites: User interaction required to trigger the XSS payloads
mistral-large-3 · analyzed Feb 16, 2026 Full analysis →

References (8)

Core 8
Core References
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/19308
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/444885/100/0/threaded
Vendor Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2006/3366
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/444062/100/0/threaded
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/28537
Third Party Advisory, VDB Entry mailing-list x_refsource_bugtraq
http://www.securityfocus.com/archive/1/444116/100/0/threaded
Vendor Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/21577
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://securitytracker.com/id?1016735

Scores

EPSS 0.0200
EPSS Percentile 78.3%

Details

CWE
CWE-79
Status published
Products (4)
blackboard/blackboard 6.0
blackboard/blackboard_learning_and_community_portal_suite 6.0
blackboard/blackboard_learning_and_community_portal_suite 6.2.3.23
blackboard/vista 4
Published Aug 23, 2006
Tracked Since Feb 18, 2026