What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-01-08 · updated 2026-06-17
• Weakness: CWE-532

Description

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.

Affected products

• Defender Security: through 4.1.0

References

• https://patchstack.com/database/vulnerability/defender-security/wordpress-defender-security-plugin-4-1-0-sensitive-data-exposure-via-log-file-vulnerability?_s_id=cve
• https://patchstack.com/database/vulnerability/defender-security/wordpress-defender-security-plugin-4-1-0-sensitive-data-exposure-via-log-file-vulnerability?_s_id=cve

Get alerted when CVE-2023-51490 or the next vulnerability affects your stack