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Security Plugin, Firewall & Malware Scanner with Auto Removal <= 2.184 - Unauthenticated SQL Injection

CVE-2026-66593 · security-malware-firewall

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Security Malware Firewall at a vulnerable version. How SiteRespond intelligence works

Vulnerability
Security Plugin, Firewall & Malware Scanner with Auto Removal <= 2.184 - Unauthenticated SQL Injection
Affected software
security-malware-firewall(Plugin)
Affected versions
  • ≤ 2.184
Authentication
Unauthenticated
Vulnerability type
SQL injection
CVE
CVE-2026-66593
Published
19 August 2026
CISA KEV
Not listed in CISA KEV at last catalog refresh
Impact
May allow attackers to read or modify database contents beyond intended access.
Source

Data imported from Wordfence Intelligence (advisory 5aae14bb-855f-406a-a6a2-f784a0ae0166). Methodology and redistribution notes

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