Mandriva Linux Security Advisory 2012-140 - Cross-site scripting vulnerability in the ProcessRequest function in mcs/class/System.Web/System.Web/HttpForbiddenHandler.cs in Mono 2.10.8 and earlier allows remote attackers to inject arbitrary web script or HTML via a file with a crafted name and a forbidden extension, which is not properly handled in an error message. The updated packages have been patched to correct this issue.
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