Microsoft Vulnerability Research has reported a vulnerability in DotNetNuke, which can be exploited by malicious users to conduct script insertion attacks.
The application does not properly sanitise certain input passed via editor before being used. This can be exploited to insert certain HTML and script code, which will be executed in a user's browser session in context of an affected site if malicious data is viewed.
Successful exploitation requires access and editor permissions to a respective HTML module in versions prior to 5.5.0 and in application deployments with disabled messaging component.
The vulnerability is reported in versions prior to 5.6.4 and prior to 6.1.0.
Note: Additionally a password field on the registration page has been adjusted to prevent automatic filling due to a "auto remember" feature of a browser.
Solution: Update to version 5.6.4 or 6.1.0.
Provided and/or discovered by: Richard Lundeen, Microsoft Vulnerability Research (MSVR).
Original Advisory: DNN 2011-14-L:
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