A vulnerability has been reported in DotNetNuke, which can be exploited by malicious people to conduct cross-site scripting attacks.
Certain input passed to Website\admin\Sales\paypalipn.aspx 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 website.
The vulnerability is reported in versions prior to 4.9.3.
Solution: Update to version 4.9.3.
Provided and/or discovered by: Reported by the vendor.
Original Advisory: http://www.dotnetnuke.com/News/SecurityPolicy/Securitybulletinno25/tabid/1260/Default.aspx
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