Improper input validation in Livewire - CVE-2024-47823
Published: October 8, 2024 / Updated: April 15, 2026
Vulnerability identifier: #VU126250
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2024-47823
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to improper input validation in the file upload handling functionality when processing uploaded files. A remote attacker can upload a specially crafted file with a valid MIME type and a .php extension to execute arbitrary code.
Exploitation requires that the application uses the original client filename, stores uploaded files directly on a public storage disk, and runs on a webserver configured to execute .php files.
Affected software
Livewire
How to mitigate CVE-2024-47823
Install security update from vendor's website.
Livewire - addressed in versions 2.12.7, 3.5.2