
Security Optimizer – The All-In-One Protection Plugin Security & Risk Analysis
wordpress.org/plugins/sg-securitySecure your WordPress site from brute-force attacks, threats, malware, and bots. Free to use and easy to set up.
Is Security Optimizer – The All-In-One Protection Plugin Safe to Use in 2026?
Generally Safe
Score 86/100Security Optimizer – The All-In-One Protection Plugin has a strong security track record. Known vulnerabilities have been patched promptly.
The "sg-security" plugin v1.5.9 exhibits a mixed security posture. While it demonstrates good practices in areas like output escaping (97% proper) and using prepared statements for SQL (63%), significant concerns arise from its attack surface. Specifically, all three identified AJAX handlers lack authentication checks, creating an immediate and direct risk of unauthorized actions. The presence of one unsanitized path in the taint analysis, although not currently classified as critical or high, warrants further investigation as it could potentially lead to vulnerabilities.
The plugin's vulnerability history is a major red flag. With a total of 5 known CVEs, including one critical, two high, and two medium, it indicates a recurring pattern of security weaknesses. The types of past vulnerabilities, such as Missing Authorization, SQL Injection, and Authentication Bypass, directly correlate with the static analysis findings, particularly the unprotected AJAX handlers. The most recent vulnerability being in late 2025 suggests that while the plugin has had issues, some might be addressed, but the history of critical and high severity flaws is a significant concern.
In conclusion, the "sg-security" plugin has potential strengths in its handling of output and SQL queries. However, the critical issue of unprotected AJAX endpoints and a history of severe vulnerabilities necessitate caution. The overall risk is elevated due to the direct exploitable entry points without proper authorization and the recurring nature of past security flaws.
Key Concerns
- All AJAX handlers lack auth checks
- Unsanitized path in taint analysis
- 1 Critical CVE in history
- 2 High CVEs in history
- 2 Medium CVEs in history
- Missing nonce checks on AJAX (implied by 3 without auth)
Security Optimizer – The All-In-One Protection Plugin Security Vulnerabilities
CVEs by Year
Severity Breakdown
5 total CVEs
SiteGround Security <= 1.5.8 - Missing Authorization
Security Optimizer – The All-In-One Protection Plugin <= 1.5.0 - Missing Authorization via hide_notice()
SiteGround Security <= 1.3.0 - Authenticated (Administrator+) SQL Injection
SiteGround Security <= 1.2.5 - Authorization Weakness to Authentication Bypass
SiteGround Security <= 1.2.5 - Authentication Bypass via 2FA Setup
Security Optimizer – The All-In-One Protection Plugin Code Analysis
SQL Query Safety
Output Escaping
Data Flow Analysis
Security Optimizer – The All-In-One Protection Plugin Attack Surface
AJAX Handlers 3
WordPress Hooks 121
Scheduled Events 1
Maintenance & Trust
Security Optimizer – The All-In-One Protection Plugin Maintenance & Trust
Maintenance Signals
Community Trust
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Security Optimizer – The All-In-One Protection Plugin Developer Profile
4 plugins · 2.1M total installs
How We Detect Security Optimizer – The All-In-One Protection Plugin
Patterns used to identify this plugin on WordPress sites during automated security audits and web crawling.
Asset Fingerprints
/wp-content/plugins/sg-security/assets/css/main.min.css/wp-content/plugins/sg-security/assets/js/admin.js/wp-content/plugins/sg-security/assets/js/main.min.js/wp-content/plugins/sg-security/assets/js/admin_nonce.js/wp-content/plugins/sg-security/assets/js/admin.js/wp-content/plugins/sg-security/assets/js/main.min.js/wp-content/plugins/sg-security/assets/js/admin_nonce.jssg-security/assets/css/main.min.css?ver=sg-security/assets/js/admin.js?ver=sg-security/assets/js/main.min.js?ver=sg-security/assets/js/admin_nonce.js?ver=HTML / DOM Fingerprints
window.sg_security_settings/wp-json/sg-security/