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NOTE: TinyMCE 5 reached End of Support in April 2023. No more bug fixes, security updates, or new features will be introduced to TinyMCE 5. We recommend you upgrade to TinyMCE 6 or consider TinyMCE 5 Long Term Support (LTS) if you need more time.

TinyMCE 5.7.1

Release notes for TinyMCE 5.7.1

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TinyMCE 5.7.1 was released for TinyMCE Enterprise and Tiny Cloud on Wednesday, March 24th, 2021. It includes TinyMCE 5.7.1 and additional changes to premium plugins. These release notes provide an overview of the changes for TinyMCE 5.7.1, including:

Note: This is the Tiny Cloud and TinyMCE Enterprise release notes. For information on the latest community version of TinyMCE, see: TinyMCE Changelog.

Accompanying Premium Plugin changes

The following premium plugin updates were released alongside TinyMCE 5.7.1.

PowerPaste 5.4.2

The TinyMCE 5.7.1 release includes an accompanying release of the PowerPaste premium plugin.

PowerPaste 5.4.2 provides the following bug fixes:

  • Fixed a security issue where dragging and dropping content wasn’t correctly sanitized in some cases.

For information on the PowerPaste plugin, see: PowerPaste plugin.

General bug fixes

TinyMCE 5.7.1 provides fixes for the following bugs:

  • Fixed the help dialog incorrectly linking to the changelog of TinyMCE 4 instead of TinyMCE 5.
  • Fixed a bug where error messages were displayed incorrectly in the image dialog.
  • Fixed a bug where context menu items with names that contained uppercase characters were not displayed.
  • Fixed context menu items lacking support for the disabled and shortcut properties.
  • Fixed a regression where the width and height were incorrectly set when embedding content using the media dialog.

Security fixes

TinyMCE 5.7.1 provides fixes for the following security issues.

Fixed an issue where URLs were not correctly filtered in some cases.

PowerPaste 5.4.2 fixes a security issue where dragging and dropping content wasn’t correctly sanitized in some cases. Tiny Technologies would like to thank Maurice Dauer for discovering this vulnerability.

Upgrading to the latest version of TinyMCE 5

The procedure for upgrading to the latest version of TinyMCE 5 depends on the deployment type.

Upgrading Tiny Cloud

Tiny Cloud provides the latest enterprise version of TinyMCE. For information on configuring Tiny Cloud, see: the Cloud deployment guide.

Upgrading TinyMCE Self-hosted manually

To upgrade to TinyMCE 5.10 using a manually downloaded package:

  1. Backup the tinymce/ directory so any customizations can be restored after the upgrade.

    Customizations for TinyMCE are typically stored in the following directories:

     ├── icons/
     ├── langs/
     ├── plugins/
     ├── skins/
     │   ├── content/
     │   └── ui/
     └── themes/
  2. Download the latest version of TinyMCE.

    • For the TinyMCE Community Version, download tinymce_<VERSION>.zip from Get TinyMCE - Self-hosted releases, where <VERSION> is the latest version of TinyMCE.
    • For the TinyMCE Enterprise Version, download the TinyMCE Enterprise Bundle from Tiny Account > Downloads. The downloaded file will be named
  3. Extract the downloaded .zip file to a temporary location.
  4. (If required) Install the latest language packs from Get TinyMCE - Language Packages.
  5. Copy customizations to the new tinymce/ directory. Ensure that only custom changes are added the new tinymce/ directory, such as:

    • Custom icons packs
    • Custom plugins
    • Custom skins
    • Custom themes
  6. Delete the existing tinymce/ directory and replace with the new tinymce/.

Note: To simplify the upgrade process to future versions of TinyMCE:

  1. Host the TinyMCE customizations outside of the tinymce/ directory.
  2. Update your TinyMCE configuration as required:

    • Set the location of content CSS customizations using content_css.
    • Set the location of custom plugins using external_plugins.
    • Set the location of custom icon packages using icons_url instead of icons.
    • Set the location of custom localization packages using language_url instead of language.
    • Set the location of custom skin packages using skin_url instead of skin.
    • Set the location of custom themes using theme_url instead of theme.

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Except as otherwise noted, the content of this page is licensed under the Creative Commons BY-NC-SA 3.0 License, and code samples are licensed under the Apache 2.0 License.