CVE-2025-56704

High · 8.8

CVSS

8.8

EPSS

0.8%

Published

Dec 9, 2025

CISA due date

—

The record

LeptonCMS version 7.3.0 contains an arbitrary file upload vulnerability, which is caused by the lack of proper validation for uploaded files. An authenticated attacker can exploit this vulnerability by uploading a specially crafted ZIP/PHP file to execute arbitrary code.

Affected packages

Ecosystem	Package	Introduced	Fixed