Flying Scripts: Delay JavaScript to Improve Site Speed & Performance Security & Risk Analysis

wordpress.org/plugins/flying-scripts

Delay JavaScript to improve speed and performance by loading scripts only when needed, reducing render-blocking for a faster and smoother user experie …

30K active installs v1.2.4 PHP 5.6+ WP 4.5+ Updated Dec 2, 2025
3rd-party-scriptsdefer-javascript
100
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Flying Scripts: Delay JavaScript to Improve Site Speed & Performance Safe to Use in 2026?

Generally Safe

Score 100/100

Flying Scripts: Delay JavaScript to Improve Site Speed & Performance has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 4mo ago
Risk Assessment

The "flying-scripts" v1.2.4 plugin exhibits a generally strong security posture, with no known vulnerabilities in its history and a commendable lack of critical code signals. The plugin demonstrates good practices by utilizing prepared statements for all SQL queries and implementing nonce checks, which helps mitigate common attack vectors. The absence of AJAX handlers, REST API routes, shortcodes, and cron events significantly limits its attack surface. However, the static analysis reveals a notable concern: 50% of output escaping is not properly handled. While not immediately leading to critical vulnerabilities in this specific version, this could become a significant risk if the plugin evolves to handle sensitive data or user-provided input in the future. The taint analysis also indicates "flows with unsanitized paths," which, while not classified as critical or high severity in this assessment, warrants attention as it suggests potential avenues for unintended data manipulation or leakage that are not fully mitigated. Overall, the plugin is secure for its current functionality, but the output escaping and unsanitized path issues are weaknesses that could be exploited in different contexts or future updates.

Key Concerns

  • Unsanitized paths in taint flows
  • 50% of output not properly escaped
Vulnerabilities
None known

Flying Scripts: Delay JavaScript to Improve Site Speed & Performance Security Vulnerabilities

No known vulnerabilities — this is a good sign.
Code Analysis
Analyzed Mar 16, 2026

Flying Scripts: Delay JavaScript to Improve Site Speed & Performance Code Analysis

Dangerous Functions
0
Raw SQL Queries
0
0 prepared
Unescaped Output
6
6 escaped
Nonce Checks
1
Capability Checks
0
File Operations
0
External Requests
0
Bundled Libraries
0

Output Escaping

50% escaped12 total outputs
Data Flows
4 unsanitized

Data Flow Analysis

4 flows4 with unsanitized paths
flying_scripts_settings_scripts (settings\scripts.php:8)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface

Flying Scripts: Delay JavaScript to Improve Site Speed & Performance Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 4
filterw3tc_process_contenthtml-rewrite.php:69
actionplugins_loadedinit-config.php:20
actionwp_print_footer_scriptsinject-js.php:12
actionadmin_menusettings\index.php:7
Maintenance & Trust

Flying Scripts: Delay JavaScript to Improve Site Speed & Performance Maintenance & Trust

Maintenance Signals

WordPress version tested6.9.4
Last updatedDec 2, 2025
PHP min version5.6
Downloads272K

Community Trust

Rating100/100
Number of ratings37
Active installs30K
Alternatives

Flying Scripts: Delay JavaScript to Improve Site Speed & Performance Alternatives

No alternatives data available yet.

Developer Profile

Flying Scripts: Delay JavaScript to Improve Site Speed & Performance Developer Profile

Gijo Varghese

6 plugins · 69K total installs

100
trust score
Avg Security Score
100/100
Avg Patch Time
1 days
View full developer profile
Detection Fingerprints

How We Detect Flying Scripts: Delay JavaScript to Improve Site Speed & Performance

Patterns used to identify this plugin on WordPress sites during automated security audits and web crawling.

Asset Fingerprints

Asset Paths
/wp-content/plugins/flying-scripts/assets/css/flying-scripts.css/wp-content/plugins/flying-scripts/assets/js/flying-scripts.js/wp-content/plugins/flying-scripts/assets/js/scripts.js
Script Paths
/wp-content/plugins/flying-scripts/assets/js/flying-scripts.js/wp-content/plugins/flying-scripts/assets/js/scripts.js
Version Parameters
flying-scripts/assets/css/flying-scripts.css?ver=flying-scripts/assets/js/flying-scripts.js?ver=flying-scripts/assets/js/scripts.js?ver=

HTML / DOM Fingerprints

JS Globals
flyingScripts
FAQ

Frequently Asked Questions about Flying Scripts: Delay JavaScript to Improve Site Speed & Performance