imbas007/CVE-2026-63223-POC

PoC

CVE-2026-63223 PoC — CodeIgniter 4 is_image/mime_in File Upload RCE (CVSS 9.8). Unauthenticated remote code execution via unrestricted file upload bypass using image magic bytes. Fixed in v4.7.4.

view exploit source poc_in_githubauthor imbas007published 2026-08-03catalog poc_in_github

exploited CVEs (1)

Known CVEs related to this entry.

ID	severity	EPSS	exploitable	published
CVE-2026-63223US	—	0.80% (56th)	Exploit	2026-07-31
CodeIgniter is a PHP full-stack web framework. Prior to 4.7.4, the is_image and mime_in upload validation rules do not independently enforce a safe client filename extension, allow…

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