Legacy Knowledge Base
Published Jun. 30, 2025

Embedding an external video in Web Content Article fails (iframe)

Written By

Neil Cuzon

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Issue

  • Publishing a Web Content Article with an embedded video link (to YouTube for example) results in this error and the video not being displayed:
    An Error Occurred

    Try watching this video on www.youtube.com, or enable Javascript if it is disabled in your browser.

Environment

  • Quarterly Release 2024 Q1

Resolution

  • A new feature has been added in 2024.Q1 to mitigate some security vulnerabilities regarding <iframe> elements: IFrame Sanitizer.
    • It uses the sandbox attribute to set restrictions for the content in the iframe.
  • To disable/customize the Iframe Sanitizer, go to System Settings > Security Tools > IFrame Sanitizer.

Additional Information

  • This Jira epic aims to improve this functionality:
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