Arbitrary file upload in Lepton-cms Leptoncms
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. An authenticated attacker can exploit this vulnerability by uploading a specially crafted ZIP/PHP…
Vulnerability class: Unrestricted File Upload
EPSS: 0.007 (47.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Lepton-cms Leptoncms — versions 7.3.0
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Not Applicable)
- cve@mitre.org (Exploit, Third Party Advisory)
- cve@mitre.org (Exploit, Third Party Advisory)
- cve@mitre.org (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-56704?
- CVE-2025-56704 is a high-severity vulnerability in Lepton-cms Leptoncms, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2025-12-09.
- How severe is CVE-2025-56704?
- High severity. CVSS v3 base score is 8.8 out of 10.