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Jax Guestbook Cross-Site Scripting and Information Disclosure
Release Date: 2005-08-05 Views: 12,005
Secunia Advisory SA16337
Where:
From remote
Impact:
Cross Site Scripting, Exposure of sensitive information,
Solution Status:
Unpatched
CVE Reference(s):
No CVE references.
Description
Lostmon has discovered some vulnerabilities in Jax Guestbook, which can be exploited by malicious people to conduct cross-site scripting attacks or disclose certain sensitive information.
1) Input passed to the "language", "gmt_ofs" and "page" parameters isn't properly sanitised before being returned to users. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of a vulnerable site.
2) Accessing the "guestbook" and "guestbook_ips2block" files directly discloses certain sensitive information (e.g. IP addresses of users who have posted ).
The vulnerabilities have been confirmed in version 3.3 and have also been reported in versions 3.1 and 3.31. Other versions may also be affected.
Solution:
Edit the source code to ensure that input is properly sanitised. Use a database instead of CSV files to store guestbook data.
Provided and/or discovered by:
Lostmon
Original Advisory:
http://lostmon.blogspot.com/2005/08/jax-php-scripts-multiple.html
Deep Links:
Links available to Secunia VIM customers
Do you have additional information related to this advisory?
Please provide information about patches, mitigating factors, new versions, exploits, faulty patches, links, and other relevant data by posting comments to this Advisory. You can also send this information to vuln@secunia.com
Subject: Jax Guestbook Cross-Site Scripting and Information Disclosure
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