
WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance Security & Risk Analysis
wordpress.org/plugins/wp-optimizeGet caching and more with this powerful cache plugin. Cache, optimize images, clean your database and minify for maximum performance.
Is WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance Safe to Use in 2026?
Generally Safe
Score 97/100WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance has a strong security track record. Known vulnerabilities have been patched promptly.
WP Optimize v4.5.0 exhibits a generally good security posture, with a significant majority of its SQL queries and output operations being properly handled and secured. The plugin also demonstrates a commendable number of capability checks and nonce checks, which are crucial for preventing unauthorized actions and cross-site request forgery. The absence of unpatched CVEs and the low number of critical/high severity issues in its history are positive indicators. However, the static analysis reveals a few areas that warrant attention. The presence of the `unserialize` function, while only one instance, is a known risk if not handled with extreme caution and input validation. Furthermore, the taint analysis highlights a "High" severity flow with unsanitized paths, which could potentially lead to vulnerabilities if exploited. The vulnerability history, while currently clear of critical/high issues, does show a pattern of medium severity vulnerabilities including SQL Injection, XSS, and CSRF. This suggests that while the developers are responsive to security issues, careful development practices are essential to prevent recurrence, especially with the identified taint flow.
Overall, WP Optimize v4.5.0 is a relatively secure plugin with strengths in its sanitization and authorization mechanisms. The primary concerns stem from the potential risks associated with `unserialize` and the identified high-severity taint flow. The historical pattern of medium vulnerabilities, though currently unpatched, underscores the importance of continued vigilance and robust input validation. The plugin's attack surface is minimal and protected, which is a significant positive. Developers should prioritize thorough review and mitigation of the identified taint flow and ensure any use of `unserialize` is rigorously validated.
Key Concerns
- High severity taint flow found
- Use of unserialize function
- History of medium SQL Injection vulnerabilities
- History of medium XSS vulnerabilities
- History of medium CSRF vulnerabilities
WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance Security Vulnerabilities
CVEs by Year
Severity Breakdown
3 total CVEs
WP-Optimize <= 4.1.1 - Authenticated (Admin+) SQL Injection
WP-Optimize <= 3.2.12 & SrbTransLatin <= 2.4 - Stored/Reflected Cross-Site Scripting via Third Party Library
WP-Optimize <= 3.2.11 - Cross-Site Request Forgery
WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance Code Analysis
Dangerous Functions Found
SQL Query Safety
Output Escaping
Data Flow Analysis
WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance Attack Surface
AJAX Handlers 2
WordPress Hooks 209
Scheduled Events 21
Maintenance & Trust
WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance Maintenance & Trust
Maintenance Signals
Community Trust
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WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance Developer Profile
16 plugins · 6.4M total installs
How We Detect WP-Optimize – Cache, Compress images, Minify & Clean database to boost page speed & performance
Patterns used to identify this plugin on WordPress sites during automated security audits and web crawling.
Asset Fingerprints
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wpo-main-contentwpo-form-actionswpo-dashboard-widgetwpo-page-optimizerwpo-image-optimization-tabwpo-cache-tabwpo-minify-tabwpo-settings-tab+10 more<!-- WP Optimize --><!-- WP Optimize Premium --><!-- WP Optimize Image Optimization --><!-- WP Optimize Cache -->+4 moredata-wpo-noncedata-wpo-tabdata-wpo-actiondata-wpo-iddata-wpo-urldata-wpo-type+2 moreWPO_AdminWPO_CacheWPO_ImageOptimizationWPO_MinifyWPO_SettingsWPO_Tables+3 more/wp-json/wp-optimize/v1/jobs/wp-json/wp-optimize/v1/settings/wp-json/wp-optimize/v1/cache/wp-json/wp-optimize/v1/images/wp-json/wp-optimize/v1/minify/wp-json/wp-optimize/v1/tables/wp-json/wp-optimize/v1/restore/wp-json/wp-optimize/v1/backup