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Suggest Exploit
vendor:
user.php
by:
SecurityFocus
4.3
CVSS
MEDIUM
Cross-Site Scripting
79
CWE
Product Name: user.php
Affected Version From: N/A
Affected Version To: N/A
Patch Exists: YES
Related CWE: N/A
CPE: N/A
Metasploit: N/A
Other Scripts: N/A
Tags: N/A
CVSS Metrics: N/A
Nuclei References: N/A
Nuclei Metadata: N/A
Platforms Tested: N/A
2002

PostNuke ‘user.php’ Cross-Site Scripting Vulnerability

The PostNuke 'user.php' script does not sufficiently sanitize data supplied via URI parameters, making it prone to cross-site scripting attacks. This could allow for execution of hostile HTML and script code in the web client of a user who visits a web page that contains the malicious code. Exploitation could allow for theft of cookie-based authentication credentials. Other attacks are also possible.

Mitigation:

Input validation should be used to ensure that user-supplied data is properly sanitized.
Source

Exploit-DB raw data:

source: https://www.securityfocus.com/bid/7901/info

The PostNuke 'user.php' script does not sufficiently sanitize data supplied via URI parameters, making it prone to cross-site scripting attacks. This could allow for execution of hostile HTML and script code in the web client of a user who visits a web page that contains the malicious code.

Exploitation could allow for theft of cookie-based authentication credentials. Other attacks are also possible. 

http://www.server.com/user.php?op=confirmnewuser&module=NS-NewUser&uname=%22
%3E%3Cimg%20src=%22javascript:alert(document.cookie);%22%3E&email=lucas@pelu
cas.com