CVE-2022-21715

CodeIgniter4 is the 4.x branch of CodeIgniter, a PHP full-stack web framework. A cross-site scripting (XSS) vulnerability was found in `API\ResponseTrait` in Codeigniter4 prior to version 4.1.8. Attackers can do XSS attacks if a potential victim is using `API\ResponseTrait`. Version 4.1.8 contains a patch for this vulnerability. There are two potential workarounds available. Users may avoid using `API\ResponseTrait` or `ResourceController` Users may also disable Auto Route and use defined routes only.

• CWE-79
• CWE-79

• https://codeigniter4.github.io/userguide/incoming/routing.html#use-defined-routes-onlyMitigation, Vendor Advisory
• https://github.com/codeigniter4/CodeIgniter4/commit/70d881cf5322b7c32e69516aebd2273ac6a1e8ddPatch, Third Party Advisory
• https://github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-7528-7jg5-6g62Mitigation, Third Party Advisory
• https://codeigniter4.github.io/userguide/incoming/routing.html#use-defined-routes-onlyMitigation, Vendor Advisory
• https://github.com/codeigniter4/CodeIgniter4/commit/70d881cf5322b7c32e69516aebd2273ac6a1e8ddPatch, Third Party Advisory
• https://github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-7528-7jg5-6g62Mitigation, Third Party Advisory

Published

Jan 24, 2022

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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