Vulnerability Report

CVE-2006-6721

Title: Knusperleicht Shoutbox Cross-Site Scripting (XSS)

XSS

Proof Of Concept

PoC Available for CVE-2006-6721

CWE Category NVD-CWE-noinfo

Published Date Dec 23, 2006

Modified Date Jun 16, 2026

Exploit Status Available

Score 6.8 CVSS v2.0

Exploit Probability (EPSS)

1.68%

Vulnerability Summary

CVE-2006-6721: Multiple cross-site scripting (XSS) vulnerabilities in shout.php in Knusperleicht ShoutBox 2.6 allow remote attackers to inject arbitrary web script or HTML via the (1) sbNick or (2) sbKommentar parameter.

Impacted Vendors

toxiclab 1

endity.com 1

knusperleicht 1

Reference Links

http://secunia.com/advisories/23526 http://www.securityfocus.com/bid/21637 http://www.securityfocus.com/data/vulnerabilities/exploits/21637.html http://secunia.com/advisories/23526 http://www.securityfocus.com/bid/21637 http://www.securityfocus.com/data/vulnerabilities/exploits/21637.html

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

6.8

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:M/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2006-6721 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/29294

View Code

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

April 23, 2026 MODIFIED

Vulnerability data updated via NVD.

April 09, 2025 MODIFIED

Vulnerability data or affected products updated.

December 23, 2006 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected Stack

No specific products linked.