Vulnerability Report

CVE-2006-0800

Title: Postnuke Software Foundation Postnuke Cross-Site Scripting (XSS)

XSS

Proof Of Concept

PoC Available for CVE-2006-0800

CWE Category CWE-79
Published Date Feb 20, 2006
Modified Date Jun 16, 2026
Exploit Status Available
Score 2.6 CVSS v2.0
Exploit Probability (EPSS)
2.13%

Vulnerability Summary

CVE-2006-0800: 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.

Impacted Vendors

P
postnuke_software_foundation 1
P
postnuke 1

Reference Links

http://archives.neohapsis.com/archives/fulldisclosure/2006-02/0469.html http://news.postnuke.com/index.php?name=News&file=article&sid=2754 http://secunia.com/advisories/18937 http://securityreason.com/securityalert/454 http://www.securityfocus.com/bid/16752 http://www.vupen.com/english/advisories/2006/0673 https://exchange.xforce.ibmcloud.com/vulnerabilities/24823 http://archives.neohapsis.com/archives/fulldisclosure/2006-02/0469.html http://news.postnuke.com/index.php?name=News&file=article&sid=2754 http://secunia.com/advisories/18937 http://securityreason.com/securityalert/454 http://www.securityfocus.com/bid/16752 http://www.vupen.com/english/advisories/2006/0673 https://exchange.xforce.ibmcloud.com/vulnerabilities/24823
CVSS v2.0
Source Entity [email protected]
Severity LOW
2.6
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:H/Au:N/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2006-0800 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/27254
View Code
MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

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

Affected Stack

No specific products linked.