CVE-2023-51475 CRITICAL

CVE-2023-51475: WordPress WP MLM Unilevel Plugin <= 4.0 is vulnerable to Arbitrary File Upload

Vendor Ioss

Product WP MLM SOFTWARE PLUGIN

Weakness CWE-434 · Unrestricted file upload

Published December 29, 2023

Last update April 28, 2026

View on NVD All CVEs

CVSS base score

10.0/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality High

Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

Unrestricted Upload of File with Dangerous Type vulnerability in IOSS WP MLM SOFTWARE PLUGIN.This issue affects WP MLM SOFTWARE PLUGIN: from n/a through 4.0.

Key dates

02Disclosure timeline

December 29, 2023 CVE published

April 28, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2023-51475 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/434.html

Related vulnerabilities

04Related CVE

CVE-2025-32579 WordPress Sync Posts Plugin <= 1.0 - Arbitrary File Upload vulnerability CVE-2025-6848 code-projects Simple Forum forum1.php unrestricted upload CVE-2026-5181 SourceCodester Simple Doctors Appointment System ajax.php unrestricted upload CVE-2023-51468 WordPress Rencontre – Dating Site Plugin <= 3.10.1 is vulnerable to Arbitrary File Upload CVE-2023-5262 OpenRapid RapidCMS uploadicon.php isImg unrestricted upload