What is CVE-2022-24711?

CVE-2022-24711 is a critical-severity vulnerability in Codeigniter, classified under Improper Input Validation. CVSS score: 9.4/10. Published 2022-02-28.

How severe is CVE-2022-24711?

Critical severity. CVSS v3 base score is 9.4 out of 10.

Improper input validation in Codeigniter

CVE-2022-24711

CodeIgniter4 is the 4.x branch of CodeIgniter, a PHP full-stack web framework. Prior to version 4.1.9, an improper input validation vulnerability allows attackers to execute CLI routes via HTTP request. Version 4.1.9 contains a patch. There are currently no known workarounds for this vulnerability.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2022-02-28 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.4 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H.

EPSS exploit prediction

EPSS: 0.012 (66.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 66.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Codeigniter
Codeigniter4 — versions < 4.1.9

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

github.com/codeigniter4/CodeIgniter4/security/advisories/GHSA-xjp4-6w75-qrj7 (Third Party Advisory)
github.com/codeigniter4/CodeIgniter4/commit/202f41ad522ba1d414b9d9c35aba1cb0c15… (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-24711?: CVE-2022-24711 is a critical-severity vulnerability in Codeigniter, classified under Improper Input Validation. CVSS score: 9.4/10. Published 2022-02-28.
How severe is CVE-2022-24711?: Critical severity. CVSS v3 base score is 9.4 out of 10.