From http://ipython.org/ipython-doc/3/whatsnew/version3.html :
IPython 3.2 contains important security fixes. Users are strongly encouraged to upgrade immediately.
A security improvement that set the secure attribute to login cookie to prevent them to be sent over http
Revert the face color of matplotlib axes in the inline backend to not be transparent.
Enable mathjax safe mode by default
Fix XSS vulnerability in JSON error messages
Various widget-related fixes
See Issues closed in the 3.x development cycle for details:
Created ipython tracking bugs for this issue:
Affects: fedora-all [bug 1235690]
Affects: epel-all [bug 1235691]
ipython-3.2.1-1.el7 has been pushed to the Fedora EPEL 7 stable repository. If problems still persist, please make note of it in this bug report.