Provide references for CVE-2021-28280.
Where can I find more information about CVE-2021-28280?
References are available at: https://anotepad.com/notes/2skndayt, https://github.com/PHPFusion/PHPFusion/commit/08d6c2ea49bd06fcce32275252f5f25abe61965c, https://github.com/PHPFusion/PHPFusion/commit/fda266c3bb35c650a8c4c51b6923abdfb66ef5cd, https://github.com/PHPFusion/PHPFusion/commit/1c2b32321cf11ed1cd3ff835f8da0d172c849ce6, https://github.com/PHPFusion/PHPFusion/commit/da9f89ae70219f357fba6fffd2dae1ec886d8a3b.