
Toolszu Image Optimizer Security & Risk Analysis
wordpress.org/plugins/toolszu-image-optimizerToolszu Image Optimizer is a lightweight WordPress image compression, resizing, and WebP conversion plugin designed for content writers, bloggers, and …
Is Toolszu Image Optimizer Safe to Use in 2026?
Generally Safe
Score 100/100Toolszu Image Optimizer has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.
The plugin 'toolszu-image-optimizer' v1.1.1 exhibits a strong security posture based on the provided static analysis. The absence of dangerous functions, all SQL queries utilizing prepared statements, and 100% of output being properly escaped are excellent indicators of secure coding practices. Furthermore, the presence of nonce and capability checks on its entry points, along with no recorded vulnerabilities (CVEs), suggests a well-maintained and secure plugin. The limited attack surface, consisting solely of two AJAX handlers that are both protected, further bolsters its security profile. The lack of any identified taint flows with unsanitized paths or critical/high severity issues is also a positive sign, indicating that user-supplied data is likely handled safely within the plugin's operations.
Toolszu Image Optimizer Security Vulnerabilities
Toolszu Image Optimizer Code Analysis
Output Escaping
Toolszu Image Optimizer Attack Surface
AJAX Handlers 2
WordPress Hooks 5
Maintenance & Trust
Toolszu Image Optimizer Maintenance & Trust
Maintenance Signals
Community Trust
Toolszu Image Optimizer Alternatives
Image Optimizer PRO – Optimize Images, Convert AVIF & WebP
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Optimize and serve your images in AVIF or webp format on-the-fly, boosting site performance and decreasing load times with our network distribution.
Smart Image Editor
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Resize, crop, and compress images directly in the Media Library — with manual crop frame, zoom & pan, WebP export, and live preview.
Mass Resizer
mass-resizer
Mass Resizer allows bulk image resizing, safe WebP conversion, and automatic metadata preservation — improving page speed and optimizing media librari …
Auto WebP & Alt Optimizer
auto-webp-alt-optimizer
Automatically convert uploaded images to WebP format using native GD library for maximum compatibility, and auto-fill image Alt text for better SEO.
Image Compressor WebP by htmlrunner
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Convert your media library images to WebP format — fully on your own server, with zero data shared externally.
Toolszu Image Optimizer Developer Profile
1 plugin · 0 total installs
How We Detect Toolszu Image Optimizer
Patterns used to identify this plugin on WordPress sites during automated security audits and web crawling.
Asset Fingerprints
/wp-content/plugins/toolszu-image-optimizer/assets/toolszu-admin.js/wp-content/plugins/toolszu-image-optimizer/assets/toolszu-admin.jstoolszu-image-optimizer/assets/toolszu-admin.js?ver=HTML / DOM Fingerprints
toolszu-wraptoolszu-headertoolszu-dashboardtoolszu-main-columntoolszu-cardtoolszu_io_auto_compresstoolszu_io_convert_webptoolszu_io_keep_backuptoolszu_io_max_kbtoolszu_io_quality_presettoolszu_io_custom_qualitytoolszu_ajax