Lostmon has discovered some vulnerabilities and weaknesses in aBitWhizzy, which can be exploited by malicious people to disclose system information or conduct cross-site scripting attacks.
1) Input passed to the "d" parameter in whizzylink.php, whizzery/whizzylink.php, whizzypic.php, and whizzery/whizzypic.php is not properly sanitised before being used to list the content of a directory. This can be exploited to list the content of arbitrary directories via directory traversal attacks.
2) Input passed to the "d" parameter in whizzypic.php and whizzery/whizzypic.php is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
The vulnerabilities and weaknesses are confirmed in version 7. Other versions may also be affected.
Solution: Edit the source code to ensure that input is properly sanitised.
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Subject: aBitWhizzy "d" Directory Traversal and Cross-Site-Scripting
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