CVE-2025-56704

Published Dec 9, 2025 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Weaknesses CWE-434
CPEs cpe:2.3:a:lepton-cms:leptoncms:7.3.0:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

Type Values Removed Values Added
First Time appeared Lepton-cms
Lepton-cms lepton
Lepton-cms lepton Cms
Lepton-cms leptoncms
Vendors & Products Lepton-cms
Lepton-cms lepton
Lepton-cms lepton Cms
Lepton-cms leptoncms
Type Values Removed Values Added
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.
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Jul 5, 2026, 1:23 AM
Reserved
Aug 17, 2025, 12:00 AM
Status
Modified
Published
Dec 9, 2025, 5:15 PM
Modified
Oct 14, 2026, 9:10 PM