BaseFortify

Publication date: 2025-12-09

Last updated on: 2026-07-05

Assigner: MITRE

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2025-12-09

Last Modified

2026-07-05

Generated

2026-07-06

AI Q&A

2025-12-09

EPSS Evaluated

2026-07-05

NVD

CVE-2025-56704

Affected Vendors & Products

Vendor	Product	Version / Range
lepton-cms	leptoncms	7.3.0

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-434	The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

Attack-Flow Graph

Executive Summary

LeptonCMS version 7.3.0 has an arbitrary file upload vulnerability due to insufficient validation of uploaded files. This allows an authenticated attacker to upload a specially crafted ZIP or PHP file, which can then be used to execute arbitrary code on the server.

Impact Analysis

This vulnerability can allow an attacker to execute arbitrary code on the affected system, potentially leading to unauthorized access, data theft, system compromise, or further attacks within the network.

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