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.
Scores
CVSS v3
8.8
EPSS
0.0013
EPSS Percentile
31.6%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-434
Status
published
Products (1)
lepton-cms/leptoncms
7.3.0
Published
Dec 09, 2025
Tracked Since
Feb 18, 2026