CVE-2013-4188
traverser.py in Plone 2.1 through 4.1, 4.2.x through 4.2.5, and 4.3.x through 4.3.1 allows remote attackers with administrator privileges to cause a denial of service (infinite loop and resource consumption) via unspecified vectors related to "retrieving information for certain resources."
Date published : 2014-03-11
http://plone.org/products/plone-hotfix/releases/20130618
http://plone.org/products/plone/security/advisories/20130618-announcement