Title: SquirrelMail Malicious HTML Formatted Email Vulnerability
Severity: MODERATE
Description:
SquirrelMail is a feature rich webmail program implemented in the PHP4 language. It is available for Linux and Unix based operating systems.
A vulnerability exists in some versions of SquirrelMail. If a user chooses to view HTML formatted email, some malicious HTML tags may be included. These tags may include JavaScript, which could lead to some form of a cross site scripting attack.
Additionally, an external reference may be constructed with a relative link to another SquirrelMail script. If CGI parameters are included in this link, and user authentication is being handled through an automated mechanism such as cookies, it may be possible to take actions as the user on the SquirrelMail system.
It has been reported that it is possible to access the compose.php script in this manner, and send new email as the vulnerable user.
Affected Products:
- SquirrelMail SquirrelMail 1.2.2
References:
- XMB: XMB Homepage
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