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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.

Document Slider

The Document Slider is a premium Filestack feature that shows a document in the browser as a set of slides.

Request

https://cdn.filestackcontent.com/slide/HANDLE. The URL can be embedded in a page with an HTML iframe.

Merging Files

Pass a list of handles to merge several files into one PDF slide view. The slider works with Filestack handles only.

Parameters

  • theme: bright (default) or dark
  • engine: poppler (default) or mupdf

Setup

Contact the Filestack support team to turn it on.

Documentation

Read the Filestack documentation page for this term.

Open the documentation