RSSFromParent in Plain Black WebGUI before 7.5.13 does not restrict view access to Collaboration System (CS) RSS feeds, which allows remote attackers to obtain sensitive information (CS data).
https://exchange.xforce.ibmcloud.com/vulnerabilities/43344
http://www.webgui.org/getwebgui/advisories/webgui-7_5_13-beta-released
http://www.webgui.org/bugs/tracker/security-issue---collaboration-rss/
http://www.vupen.com/english/advisories/2008/1932/references