CVE-2012-2596
The XPath functionality in unspecified web applications in Siemens WinCC 7.0 SP3 before Update 2 does not properly handle special characters in parameters, which allows remote authenticated users to read or modify settings via a crafted URL, related to an "XML injection" attack.
Date published : 2012-06-08
http://www.us-cert.gov/control_systems/pdf/ICSA-12-158-01.pdf