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CVE-2006-4480: Nuked-Klan 1.7 SP4.3 lets attackers inject malicious script

CVE-2006-4480 · published 20 years ago

Summary

The web forum software Nuked-Klan version 1.7 SP4.3 does not correctly filter dangerous code, so an attacker can place custom JavaScript or HTML on a page. This can be used to run unwanted code in visitors' browsers, potentially stealing data or defacing the site. Apply the vendor's security update or patch and ensure all inputs are properly sanitized.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software

Vendor	Product	Affected versions
nuked-klan	nuked-klan	1.7_sp4.3 `cpe:2.3:a:nuked-klan:nuked-klan:1.7_sp4.3:::::::*`

Original advisory text

Incomplete blacklist vulnerability in the nk_CSS function in nuked.php in Nuked-Klan 1.7 SP4.3 allows remote attackers to bypass anti-XSS features and inject arbitrary web script or HTML via JavaScript in an attribute value that is not in the blacklist, as demonstrated using the STYLE attribute of a B element.

References

Fix within

Internet-facing 60 days

Internal At next upgrade

Not known to be exploited
Needs hands-on effort to exploit (estimated)
Gives an attacker partial control (estimated)

Severity

4.3 Medium

Exploitation

1% chance of attack within 30 days

Timeline

Published31 Aug 2006

Updated4 Nov 2026

First seen29 Sep 2026

Sources

CVE-2006-4480 · NVD

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