CVE-2025-56704 — HIGH (8.8)

Vulnerability 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 Score

8.8

HIGH

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

Affected Products

Vendor	Product	Versions
Lepton-Cms	Leptoncms	7.3.0

Related Weaknesses (CWE)

CWE-434

References

http://lepton.comNot Applicable
https://github.com/Kayi626/Vulns/blob/UserAccount/LEPTON_CMS_7.3.0_File_Upload_AExploitThird Party Advisory
https://github.com/Kayi626/Vulns/blob/UserAccount/LEPTON_CMS_7.3.0_File_Upload_BExploitThird Party Advisory
https://github.com/Kayi626/Vulns/blob/UserAccount/LEPTON_CMS_7.3.0_File_Upload_CExploitThird Party Advisory

FAQ

What is CVE-2025-56704?

CVE-2025-56704 is a vulnerability with a CVSS score of 8.8 (HIGH). 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 b...

How severe is CVE-2025-56704?

CVE-2025-56704 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-56704?

Check the references section above for vendor advisories and patch information. Affected products include: Lepton-Cms Leptoncms.