Security plugins are uniquely sensitive in WordPress because they operate with high privilege, touch authentication and request filtering, and often integrate with external scanning and firewall services. If access control, request integrity, or output handling is weak, attackers may force configuration changes via CSRF, abuse endpoints to leak site security metadata, or inject malicious content into admin-facing reports. MalCare WordPress Security Plugin – Malware Scanner, Cleaner, Security Firewall version 6.39 has successfully completed the CleanTalk Plugin Security Certification process and received PSC-2026-64632, confirming that the plugin was reviewed from a secure code perspective with attention to the most common exploitation paths for WordPress security and monitoring plugins.

Name of	MalCare WordPress Security Plugin – Malware Scanner, Cleaner, Security Firewall
Version	6.39
Active installations	200,000+
Description	Cloud-based malware scanner with a security firewall and one-click malware cleanup to help protect WordPress websites without slowing them down.
Security	Successfully tested for: SQL Injection (SQLi) Cross-Site Scripting (XSS) – Stored & Reflected Cross-Site Request Forgery (CSRF) Authentication Vulnerabilities Authentication Bypass Exploits Privilege Escalation Buffer Overflow Denial-of-Service (DoS) vectors Data Leakage Vulnerabilities Insecure Dependency Usage Remote Code Execution (RCE) Risks Unauthorized File Access Insufficient Injection Protection Information Disclosure via Misconfigured Endpoints
CleanTalk Certification	Proudly earned the “Plugin Security Certification” (PSC) from CleanTalk, indicating adherence to stringent security standards.
Additional Information	Site owners can run security monitoring and protection workflows with the assurance of the “Plugin Security Certification” (PSC). As a best practice, restrict security plugin access to trusted administrators only and treat connection keys and API tokens as high-value secrets with least-privilege scopes.
Plugin Security Certification by CleanTalk
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PSC by Cleantalk

Key Features

MalCare is designed around a practical security workflow: cloud-based malware scanning that aims to minimize performance impact, vulnerability and risk alerts, and an integrated security firewall to help block malicious traffic. It also provides operational capabilities commonly needed during incidents, including visibility into infected files and a one-click cleanup model, alongside protections such as login and brute-force mitigation features. For teams managing multiple websites, MalCare emphasizes centralized management through an external dashboard, enabling monitoring and remediation at scale. From a security standpoint, these features are relevant because they touch sensitive surfaces including wp-admin security dashboards, remote API communication, credential and connection key storage, request filtering, and report rendering that may include untrusted strings such as file paths, URLs, and event details.

Security Assurance

The CleanTalk Plugin Security Certification evaluation for WordPress security plugins focuses on attacker models that target control of protection settings, data exposure, and admin-side injection. Common abuse patterns include forcing state changes via CSRF against administrators (enabling or disabling protection modules, changing firewall behavior, altering connection settings), abusing weak capability checks to allow lower-privileged users to access sensitive security dashboards, and probing endpoints for information disclosure (site security posture, diagnostics, identifiers, and connection state). The review validates that administrative functionality is restricted to appropriate roles via consistent capability checks at the handler level, that state-changing requests implement nonce and CSRF protections, that data reaching database queries is handled safely, and that any values rendered in wp-admin are output-encoded to reduce stored and reflected XSS risk. Because security plugins often integrate with remote services, the review also considers safe handling of remote responses, conservative endpoint exposure, and error handling that avoids leaking operational details.

The plugin has been successfully tested for:

✅ Information Leakage Vulnerabilities

✅ SQL Injection Vulnerabilities

✅ Cross-Site Scripting (XSS) Attacks

✅ Cross-Site Request Forgery (CSRF) Attacks

✅ Authentication & Authentication Bypass Vulnerabilities

✅ Privilege Escalation Vulnerabilities

✅ Buffer Overflow Vulnerabilities

✅ Denial-of-Service (DoS) Vulnerabilities

✅ Data Leakage Vulnerabilities

✅ Insecure Dependencies

✅ Code Execution Vulnerabilities

✅ File Unauthorized Access Vulnerabilities

✅ Insufficient Injection Protection

Conclusion

With PSC-2026-64632, MalCare WordPress Security Plugin – Malware Scanner, Cleaner, Security Firewall version 6.39 demonstrates strong baseline security for the workflows that matter most in security plugins: controlled access to protection and remediation features, safe handling of remote-service integration surfaces, and consistent protections against common WordPress vulnerability classes that target endpoints, handlers, and admin-rendered output. This certification helps site owners adopt malware scanning and firewall tooling with reduced risk that security management features become an unintended configuration or data exposure attack surface. As a best practice, keep access to security settings limited to trusted administrators, audit who can view reports and manage cleanup actions, and treat connection keys as critical secrets.

Note: The date and certification information may change over time. It is advisable to verify the latest details on the plugin developer’s website.