PLUGIN SECURITY
Is Wp Optimize safe?
Known vulnerabilities, PHP compatibility and safer alternatives for the Wp Optimize WordPress plugin — checked against WP Clinic's local security database.
Plugin details
- Slug:
wp-optimize - Requires PHP: 7.2+
- Max supported PHP (analyzed): <8.0
Known vulnerabilities
- WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance [wp-optimize] < 3.2.12 [WP-Optimize <= 3.2.11 - Cross-Site Request Forgery]
- WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance [wp-optimize] < 3.2.12 [WordPress WP-Optimize Plugin <= 3.2.11 is vulnerable to Cross Site Request Forgery (CSRF)]
- WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance [wp-optimize] < 3.2.13 [CVE-2023-1119, WordPress WP-Optimize Plugin < 3.2.13 is vulnerable to Cross Site Scripting (XSS), WP-Optimize <= 3.2.12 & SrbTransLatin <= 2.4 - Stored/Reflected Cross-Site Scripting via Third Party Library, Multiple Plugins - Cross-Site Scripting From Third-party Library]
- WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance [wp-optimize] < 4.2.0 [CVE-2025-3951, WordPress WP-Optimize Plugin < 4.2.0 is vulnerable to SQL Injection, WP-Optimize <= 4.1.1 - Authenticated (Admin+) SQL Injection, EUVD-2025-16607]
- WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance [wp-optimize] < 4.5.1 [CVE-2026-2712, WP-Optimize <= 4.5.0 - Missing Authorization to Authenticated (Subscriber+) Plugin Settings Update and Image Manipulation]
+ 1 more known vulnerability
- WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance [wp-optimize] < 4.5.3 [CVE-2026-7252, WP-Optimize <= 4.5.2 - Authenticated (Author+) Arbitrary File Deletion via 'original-file' Post Meta]
Vulnerabilities are matched against the exact installed version when it's known. Always keep the plugin updated to the latest release.
Safer / more established alternatives
- LiteSpeed Cache — 7000000+ active installs — max PHP 8.4
- WP Super Cache — 1000000+ active installs — max PHP 8.4
- WP Fastest Cache – WordPress Cache Plugin — 1000000+ active installs — max PHP 8.4
- Speed Optimizer – The All-In-One Performance-Boosting Plugin — 1000000+ active installs — max PHP 8.4
- W3 Total Cache — 900000+ active installs
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