WordPress Defender Security plugin <= 4.2.0 - Masked Login Area View Bypass vulnerability
Priority MEDIUM 48CWE-287Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-287.
Summary
Improper Authentication vulnerability in WPMU DEV Defender Security allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects Defender Security: from n/a through 4.2.0.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00451 39th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-47189
- 2026-10-03 Alias added: GHSA-hvg4-wvg3-vq3r
References
More wpmudev Defender vulnerabilities
- TI-2024-24948 WordPress Defender plugin <= 4.7.1 - Broken Access Control vulnerability CVSS 3.1CRITICAL 9.8
- TI-2022-21918 WordPress Defender Security plugin <= 3.3.2 - Broken Authentication vulnerability CVSS 3.1CRITICAL 9.8
- TI-2024-16823 WordPress Defender Security plugin <= 4.4.1 - IP Restriction Bypass vulnerability CVSS 3.1MEDIUM 5.3
Sources
- CVE-2023-47189 · CVE Program
- CVE-2023-47189 · NVD
- FIRST EPSS
- GHSA-hvg4-wvg3-vq3r · GitHub Advisory Database · CC BY 4.0
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