All In One WP Security & Firewall 5.0.0 — 5.0.7 - Protection Bypass via IP Spoofing
8ce4be1b-3807-4ded-80a5-30f2f80db89dPublished · Updated Action summary
Affected: 5.0.0 – 5.0.7Update to 5.0.8 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?
All-In-One Security (AIOS) – Security and Firewall all-in-one-wp-security-and-firewall
- Affected5.0.0 – 5.0.7
- Patched in5.0.8
Update to 5.0.8 or newer.
You are affected if you run 5.0.0 – 5.0.7. Version 5.0.8 and later are not affected by this issue.
- Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under All-In-One Security (AIOS) – Security and 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 5.0.8, or a newer patched version
- Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
- Watch All-In-One Security (AIOS) – Security and Firewall to get an email when the next vulnerability is published.
Advisory
Source description from Wordfence Intelligence, credited to Calvin Alkan.
The All In One WP Security & Firewall plugin for WordPress is vulnerable to IP Address Spoofing in versions 5.0.0 - 5.0.7 (both included) due to insufficient IP address validation. This makes it possible for attackers to bypass IP blocks and access services even if their IP address is blocked.
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 All-In-One Security (AIOS) – Security and Firewall
All 29| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium4.3 | Authenticated (Subscriber+) Two-Factor Authentication Bypass ≤5.4.0Update to 5.5.0 | CVE-2026-111739 | |
| Medium6.3 | Authenticated (Subscriber+) Security Control Bypass ≤5.4.8Update to 5.4.9 | CVE-2026-96825 | |
| High7.2 | Unauthenticated Stored Cross-Site Scripting via REST API Request Path ≤5.4.7Update to 5.4.8 | CVE-2026-8438 | |
| Medium4.3 | Cross-Site Request Forgery to IP Blocking ≤5.2.6Update to 5.2.7 | CVE-2024-30468 | |
| Medium6.1 | Reflected Cross-Site Scripting ≤5.2.5Update to 5.2.6 | CVE-2024-1037 |
- Medium4.3Authenticated (Subscriber+) Two-Factor Authentication Bypass
≤5.4.0Update to 5.5.0
- Medium6.3Authenticated (Subscriber+) Security Control Bypass
≤5.4.8Update to 5.4.9
- High7.2Unauthenticated Stored Cross-Site Scripting via REST API Request Path
≤5.4.7Update to 5.4.8
- Medium4.3Cross-Site Request Forgery to IP Blocking
≤5.2.6Update to 5.2.7
- Medium6.1Reflected Cross-Site Scripting
≤5.2.5Update to 5.2.6
Timeline
CVE published
Severity medium, CVSS 6.5
Record last updated
Sources & licenses
- Vulnerability data
- Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
- 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.