{"id":"CVE-2022-21715","aliases":["BIT-codeigniter-2022-21715","GHSA-7528-7jg5-6g62"],"url":"https://o3.security/vulnerability/CVE-2022-21715","summary":"Cross-site Scripting Vulnerability in CodeIgniter4","details":"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.","published":"2022-01-24T19:55:10Z","modified":"2026-08-12T03:51:28.960317839Z","cvss":{"score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N"},"epss":{"score":0.01002,"percentile":0.5977,"asOf":"2026-08-23"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"codeigniter4/framework","fixedVersion":"4.1.8"}],"fix":{"url":"https://github.com/codeigniter4/CodeIgniter4/commit/70d881cf5322b7c32e69516aebd2273ac6a1e8dd","label":"codeigniter4/CodeIgniter4@70d881c"},"references":[{"type":"WEB","url":"https://codeigniter4.github.io/userguide/incoming/routing.html#use-defined-routes-only"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/21xxx/CVE-2022-21715.json"},{"type":"ADVISORY","url":"https://github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-7528-7jg5-6g62"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-21715"},{"type":"FIX","url":"https://github.com/codeigniter4/CodeIgniter4/commit/70d881cf5322b7c32e69516aebd2273ac6a1e8dd"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:28.960317839Z"}}