CVE-2013-4891

The xss_clean function in CodeIgniter before 2.1.4 might allow remote attackers to bypass an intended protection mechanism and conduct cross-site scripting (XSS) attacks via an unclosed HTML tag.

Date published : 2018-02-21

https://github.com/bcit-ci/CodeIgniter/issues/4020

https://www.codeigniter.com/userguide2/changelog.html