Allow to pass a token to the embed script

[gregberge]

Also linked to https://app.gitbook.com/o/d8f63b60-89ae-11e7-8574-5927d48c4877/s/NkEGS7hzeqa35sMXQZ4X/~/changes/947/publishing-documentation/embedding/implementation/script

Why do we use a data attribute and not a query parameter? Because query parameters travels through networks, logs, etc. So using a data parameter is better for security.

We need to use ?jwt_token to access the site behind VA anyway.

[linear]

RND-9616 Embed bootstrap script auto-initializes without visitor JWT token

[changeset-bot]

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Latest commit: 3e28abf

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[github-actions]

Summary of the deployments:

Version	URL	Status
Vercel	https://gitbook-v2-4wnz9ssp6-gitbook.vercel.app	✅
Cloudflare	https://e65c8588-gitbook-open-v2-preview.gitbook.workers.dev	✅

Test content

Site	2v	2c
GitBook	https://gitbook-v2-4wnz9ssp6-gitbook.vercel.app/url/gitbook.com/docs	https://e65c8588-gitbook-open-v2-preview.gitbook.workers.dev/url/gitbook.com/docs
E2E	https://gitbook-v2-4wnz9ssp6-gitbook.vercel.app/url/gitbook.gitbook.io/test-gitbook-open	https://e65c8588-gitbook-open-v2-preview.gitbook.workers.dev/url/gitbook.gitbook.io/test-gitbook-open

[Copilot]

Pull request overview

This PR adds support for passing authentication tokens via URL parameters in the embed script. Users can now include a token in the script src URL (e.g., script.js?token=...), which will be automatically extracted and passed to the GitBook initialization for visitor authentication.

Changes:

• Added getScriptSearchParams() function to extract URL parameters from the script tag's src attribute
• Token parameter is retrieved from the script URL and passed to GitBook init via the initFrameOptions parameter
• Both initialization branches (pre-loaded and lazy-loaded GitBook) now receive the token

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Build	Status	Details	Updated (UTC)
customers-v2 (Inspect)	👍 Changes approved	9 changed	Feb 13, 2026, 2:29 PM
v2-cloudflare (Inspect)	👍 Changes approved	14 changed	Feb 13, 2026, 2:36 PM
v2-vercel (Inspect)	👍 Changes approved	26 changed	Feb 13, 2026, 2:33 PM