CVE-2026-63223 CodeIgniter: Uploaded file extension validation bypass in is_image and mime_in rules

CodeIgniter is a PHP full-stack web framework. Prior to 4.7.4, the isimage and mimein upload validation rules do not independently enforce a safe client filename extension, allowing a remote attacker to upload executable content when an application preserves the client filename and stores uploads...

CVE-2026-63223

CodeIgniter (PHP framework) prior to version 4.7.4 is affected by an upload validation bypass in the is_image and mime_in rules. If an application preserves the client-supplied filename and stores uploads in a web-accessible, script-enabled directory, a remote attacker could upload executable con...