cve/2013/CVE-2013-4891.md

CVE-2013-4891

Description

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.

POC

Reference

• https://github.com/bcit-ci/CodeIgniter/issues/4020
• https://nealpoole.com/blog/2013/07/codeigniter-21-xss-clean-filter-bypass/

Github

• https://github.com/ibnoe/PHP-CodeIgniter-Version-Scanner