What is CVE-2022-40835?

CVE-2022-40835 is a critical-severity vulnerability in Codeigniter, classified under SQL Injection. CVSS score: 9.8/10. Published 2022-10-07.

How severe is CVE-2022-40835?

Critical severity. CVSS v3 base score is 9.8 out of 10.

SQL Injection in Codeigniter

CVE-2022-40835

B.C. Institute of Technology CodeIgniter <=3.1.13 is vulnerable to SQL Injection via system\database\DB_query_builder.php. Note: Multiple third parties have disputed this as not a valid vulnerability

Vulnerability class: SQL Injection

Published 2022-10-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.010 (60.0th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 60th percentile — 60.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.010 · change: +0.000

Affected products

Codeigniter — versions 3.0

Weakness classification (CWE)

CWE-89 — SQL Injection

References

github.com/726232111/CodeIgniter3.1.13-SQL-Inject/blob/main/README.md (Exploit, Third Party Advisory)
github.com/bcit-ci/CodeIgniter/issues/6161

Frequently asked questions

What is CVE-2022-40835?: CVE-2022-40835 is a critical-severity vulnerability in Codeigniter, classified under SQL Injection. CVSS score: 9.8/10. Published 2022-10-07.
How severe is CVE-2022-40835?: Critical severity. CVSS v3 base score is 9.8 out of 10.