CVE-2023-51490 MEDIUM

CVE-2023-51490: WordPress Defender Security Plugin <= 4.1.0 is vulnerable to Sensitive Data Exposure

Vendor Wpmu Dev
Product Defender Security – Malware Scanner, Login Security & Firewall
Weakness CWE-532 · Sensitive info in logs
Published January 8, 2024
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in WPMU DEV Defender Security – Malware Scanner, Login Security & Firewall.This issue affects Defender Security – Malware Scanner, Login Security & Firewall: from n/a through 4.1.0.

Key dates

02Disclosure timeline

January 8, 2024 CVE published
April 28, 2026 Record updated