CVE-2025-56704
HIGHLeptonCMS 7.3.0 - Authenticated Arbitrary File Upload via ZIP/PHP File
Title source: llmDescription
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 (4)
Core 4
Core References
Not Applicable
http://lepton.com
Exploit, Third Party Advisory
https://github.com/Kayi626/Vulns/blob/UserAccount/LEPTON_CMS_7.3.0_File_Upload_A.pdf
Exploit, Third Party Advisory
https://github.com/Kayi626/Vulns/blob/UserAccount/LEPTON_CMS_7.3.0_File_Upload_B.pdf
Exploit, Third Party Advisory
https://github.com/Kayi626/Vulns/blob/UserAccount/LEPTON_CMS_7.3.0_File_Upload_C.pdf
Scores
CVSS v3
8.8
EPSS
0.0066
EPSS Percentile
46.6%
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