Update dependency tinymce/tinymce to v7.9.3 [SECURITY]#37
Open
renovate[bot] wants to merge 1 commit into
Open
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
This PR contains the following updates:
7.9.2→7.9.3TinyMCE Cross-Site Scripting (XSS) vulnerability using through data-mce- prefixed src, href, style attributes
CVE-2026-47759 / GHSA-q742-qvgc-gc2f
More information
Details
Impact
Stored XSS vulnerability via unsanitized data-mce-* attributes (data-mce-href, data-mce-src, data-mce-style). Allows attackers to inject malicious values that override safe attributes during serialization, bypassing validation.
Patches
Patched by stripping unsafe data-mce-* attributes during parsing. Users should upgrade to the latest patched versions (5 LTS, 7.x, 8.x).
Workarounds
No official workaround available.
Fix
To avoid this vulnerability:
Upgrade to TinyMCE 8.5.1 or higher.
Upgrade to TinyMCE 7.9.3 or higher.
Upgrade to TinyMCE 5.11.1 LTS or higher for TinyMCE 5.x (only available as part of commercial long-term support contract).
Acknowledgements
Tiny thanks Tadi Kadango (website) and Ivan Babenko for their help identifying this vulnerability.
Severity
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:NReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
TinyMCE Cross-Site Scripting (XSS) vulnerability through
mce:protectedcommentsCVE-2026-47762 / GHSA-v98h-vmpc-fpqv
More information
Details
Impact
Stored XSS vulnerability via forged mce:protected comments. Allows attackers to bypass sanitization and inject scripts that execute when content is restored. Impacts users who utilize the protect option.
Patches
Patched by validating decoded mce:protected content against configured protect regex rules before restoring. Users should upgrade to the latest patched version.
Workarounds
No official workaround available.
Fix
To avoid this vulnerability:
Upgrade to TinyMCE 8.5.1 or higher.
Upgrade to TinyMCE 7.9.3 or higher.
Upgrade to TinyMCE 5.11.1 LTS or higher for TinyMCE 5.x (only available as part of commercial long-term support contract).
Acknowledgements
Tiny thanks Ivan Babenko for their help identifying this vulnerability.
Severity
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:NReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
TinyMCE Cross-Site Scripting (XSS) vulnerability using media plugin
data-mce-objectinjectionCVE-2026-47761 / GHSA-vg35-5wq7-3x7w
More information
Details
Impact
Stored XSS vulnerability in the media plugin. Attackers can inject malicious scripts via crafted
data-mce-*attributes, which are executed when content is rendered. Impacts users of TinyMCE with the media plugin enabled.Patches
This vulnerability has been patched in TinyMCE 8.5.1, TinyMCE 7.9.3 and TinyMCE 5.11.1 LTS by ensuring that, when using the media plugin, any content with
data-mce-objectanddata-mce-p-*attributes are properly sanitized.Workarounds
No official workaround available.
Fix
To avoid this vulnerability:
Acknowledgements
Tiny thanks Aymane MAZGUITI and Ange Primiterra for their help identifying this vulnerability.
Severity
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:NReferences
This data is provided by the GitHub Advisory Database (CC-BY 4.0).
Release Notes
tinymce/tinymce-dist (tinymce/tinymce)
v7.9.3Compare Source
Configuration
📅 Schedule: (UTC)
🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.
♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.
🔕 Ignore: Close this PR and you won't be reminded about this update again.
This PR was generated by Mend Renovate. View the repository job log.