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CVE-2006-0800

LowPublished

Interpretation conflict in PostNuke 0.761 and earlier allows remote attackers to conduct cross-site scripting (XSS) attacks via HTML tags with a trailing...

Published: Feb 20, 2006
Updated: Aug 7, 2024
Assigning CNA: mitre
Evidence observed: Feb 21, 2006

Primary CVSS

2.6/ 10Low

nvd · CVSS 2.0

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

EPSS probability estimate

2.2%

Low · next 30 days

Percentile: 81.3%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Interpretation conflict in PostNuke 0.761 and earlier allows remote attackers to conduct cross-site scripting (XSS) attacks via HTML tags with a trailing "<" character, which is interpreted as a ">" character by some web browsers but bypasses the blacklist protection in (1) the pnVarCleanFromInput function in pnAPI.php, (2) the pnSecureInput function in pnAntiCracker.php, and (3) the htmltext parameter in an edituser operation to user.php.

Sources

PostNuke 0.6x/0.7x NS-Languages Module - 'language' Cross-Site ScriptingExploit
Maksymilian Arciemowicz · php · Feb 21, 2006

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