Provide references for CVE-2015-5725.
Where can I find more information about CVE-2015-5725?
References are available at: https://forum.codeigniter.com/thread-62743.html, https://github.com/bcit-ci/CodeIgniter/issues/4020, https://www.codeigniter.com/userguide2/changelog.html, https://github.com/bcit-ci/CodeIgniter/commit/0dde92def6b9f276f05ff77abb07ead318f9ec23.