Title: GuppY Remote File Access Vulnerability
Severity: HIGH
Description:
GuppY is a free suite of PHP scripts for creating an online portal.
GuppY is reported to be prone to a remote file access issue.
Due to insufficient access validation controls in the timymsg.php script, a remote attacker is able to access files on the server. Exploitation could allow the remote user to read or write to files through the 'action' parameter of the tinymsg.php script. It does not appear that files outside the webroot could be accessed in this manner.
This vulnerability was reported to affect GuppY 2.4p3, however, earlier versions may also be vulnerable.
Affected Products:
- GuppY GuppY 2.4.0p3
References:
- GuppY: GuppY Cross-site Scripting
- GuppY: GuppY Homepage
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