Defender Security <= 4.4.1 — IP Address Spoofing
CVE-2024-25595Published · Updated Action summary
Affected: ≤4.4.1Update to 4.4.2 or newer
All remediation steps- Severity
- Medium6.5
- CVSS
- 6.5CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NWhat does this vector mean?
AV:NAttack vector- Network
AC:LAttack complexity- Low
PR:NPrivileges required- None
UI:NUser interaction- None
S:UScope- Unchanged
C:LConfidentiality- Low
I:LIntegrity- Low
A:NAvailability- None
- Required access
- No account needed
- Exploit prediction (EPSS)
- No score
- CISA KEV
- Not listed
On this page8
Am I affected?
Defender Security – Malware Scanner, Login Security & Firewall defender-security
- Affected≤ 4.4.1
- Patched in4.4.2
Update to 4.4.2 or newer.
You are affected if you run ≤ 4.4.1. Version 4.4.2 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Defender Security – Malware Scanner, Login Security & Firewall.
- No admin access? Run a passive check of your site. It reads public files only.
- No account is needed to exploit this. Treat any exposed site on an affected version as at risk.
What to do
- Update to version 4.4.2, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch Defender Security – Malware Scanner, Login Security & Firewall to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to beluga.
The Defender Security – Malware Scanner, Login Security & Firewall plugin for WordPress is vulnerable to IP Address Spoofing in all versions up to, and including, 4.4.1 due to user-supplied HTTP headers as a primary method for IP retrieval. This makes it possible for unauthenticated attackers to bypass IP Address restrictions.
Exploits & references
Proof-of-concept & detection
No public proof-of-concept or detection template is known for this vulnerability.
Advisories & patches
- Advisorywordfence.com
Related CVEs
More in Defender Security – Malware Scanner, Login Security & Firewall
All 8| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Authenticated (Administrator+) Remote Code Execution <6.2.0Update to 6.2.0 | CVE-2026-19225 | |
| Medium5.3 | Missing Authorization ≤4.7.2Update to 4.7.3 | CVE-2024-37444 | |
| Medium5.3 | Sensitive Information Exposure via Log File ≤4.1.0Update to 4.2.0 | CVE-2023-51490 | |
| Medium5.3 | Masked Login Area Security Feature Bypass ≤4.2.0Update to 4.2.1 | CVE-2023-47189 | |
| Medium5.3 | Hide Login Page Feature Protection Bypass ≤4.0.2Update to 4.1.0 | CVE-2023-5089 |
- High7.2Authenticated (Administrator+) Remote Code Execution
<6.2.0Update to 6.2.0
- Medium5.3Missing Authorization
≤4.7.2Update to 4.7.3
- Medium5.3Sensitive Information Exposure via Log File
≤4.1.0Update to 4.2.0
- Medium5.3Masked Login Area Security Feature Bypass
≤4.2.0Update to 4.2.1
- Medium5.3Hide Login Page Feature Protection Bypass
≤4.0.2Update to 4.1.0
Timeline
CVE published
Severity medium, CVSS 6.5
Record last updated
Sources & licenses
Wordfence record- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- CVE® identifiers
- Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
- CVSS / CWE
- National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
- VulnCrest content
- Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.