CVE-2025-56704

HIGH EPSS 47.0%
Published Dec 9, 20256mo ago · Modified Jun 17, 20261w ago
8.8 CVSS 3.1
High
Find Similar
Published Dec 9, 2025 6mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
8.8
Exploitability
2.8
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
47.0% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-434 Unrestricted Upload of File with Dangerous Type Resource Mgmt

Affected Products 1

VendorProductVersionRange
lepton-cmsleptoncms7.3.0any

References 4

  • lepton.com http://lepton.com
    Not Applicable
  • github.com https://github.com/Kayi626/Vulns/blob/UserAccount/LEPTON_CMS_7.3.0_File_Upload_A.pdf
    ExploitThird Party Advisory
  • github.com https://github.com/Kayi626/Vulns/blob/UserAccount/LEPTON_CMS_7.3.0_File_Upload_B.pdf
    ExploitThird Party Advisory
  • github.com https://github.com/Kayi626/Vulns/blob/UserAccount/LEPTON_CMS_7.3.0_File_Upload_C.pdf
    ExploitThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.