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We are aware of the recently disclosed PHP2Shell vulnerabilities (CVE-2026-109618 and CVE-2026-109619) and can confirm Filestack is not impacted by these vulnerabilities.

Filestack Technical Glossary

Comprehensive reference for Filestack platform architecture and services

RocketLazyLoadScripts

Performance

Filestack’s custom script management system for optimized loading and execution of JavaScript resources.

Script Management

RocketLazyLoadScripts is Filestack’s proprietary system for managing the loading and execution of JavaScript resources to optimize performance.

Features

  • Deferred script loading until needed
  • Priority-based resource scheduling
  • Automatic dependency resolution
  • Performance monitoring and optimization

Implementation

Works seamlessly with other performance optimization techniques including async script loading and lazy loading.

Related Terms