CVE-2025-56704
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
ProductLepton-cms Leptoncms
PublishedDec 9, 2025
First seenDec 9, 2025
Weakness typeCWE-434Unrestricted upload of dangerous file type
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| lepton-cms leptoncms | 7.3.0 | — |
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