Improper Initialization in CodeIgniter4 - CVE-2022-39284
Published: October 6, 2022 / Updated: May 23, 2026
Vulnerability identifier: #VU132165
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-39284
CWE-ID: CWE-665
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: CodeIgniter
Affected software:
CodeIgniter4
CodeIgniter4
Detailed vulnerability description
The vulnerability allows a remote attacker to bypass intended cookie security restrictions.
The vulnerability exists due to improper initialization in set_cookie() and Response::setCookie() when issuing cookies based on Config\Cookie settings. A remote attacker can cause cookies to be issued without the secure or HttpOnly flag to bypass intended cookie security restrictions.
Session cookies are not affected.
How to mitigate CVE-2022-39284
Install security update from vendor's website.