CVE WatchJul 5, 2026

CVE-2025-56704

LeptonCMS version 7.3.0 contains an arbitrary file upload vulnerability, which is caused by the lack of proper validation for uploaded files

CVSS

8.8

High

EPSS

0.7%

p48

KEV

—

Exploit Today

0-100

Published: Dec 9, 2025 · Last modified: Jul 5, 2026 · CWE-434

EPSS · 30d

0.6%EPSS · 30 days0.7%

2026-06-302026-07-17

Technical description

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.

Official references

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