fix(deps): update dependency tinymce to v6.7.1 [security] - autoclosed #4941
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This PR contains the following updates:
6.7.0->6.7.1Warning
Some dependencies could not be looked up. Check the Dependency Dashboard for more information.
GitHub Vulnerability Alerts
CVE-2023-45818
Impact
A mutation cross-site scripting (mXSS) vulnerability was discovered in TinyMCE’s core undo and redo functionality. When a carefully-crafted HTML snippet passes the XSS sanitisation layer, it is manipulated as a string by internal trimming functions before being stored in the undo stack. If the HTML snippet is restored from the undo stack, the combination of the string manipulation and reparative parsing by either the browser's native DOMParser API (TinyMCE 6) or the SaxParser API (TinyMCE 5) mutates the HTML maliciously, allowing an XSS payload to be executed.
This vulnerability also impacts these related TinyMCE APIs and plugins:
tinymce.Editor.getContent({ format: 'raw' })tinymce.Editor.resetContent()Patches
This vulnerability has been patched in TinyMCE 5.10.8 and TinyMCE 6.7.1 by ensuring HTML is trimmed using node-level manipulation instead of string manipulation.
Fix
To avoid this vulnerability:
References
For more information
If you have any questions or comments about this advisory:
CVE-2023-45819
Impact
A cross-site scripting (XSS) vulnerability was discovered in TinyMCE’s Notification Manager API. The vulnerability exploits TinyMCE's unfiltered notification system, which is used in error handling. The conditions for this exploit requires carefully crafted malicious content to have been inserted into the editor and a notification to have been triggered.
When a notification was opened, the HTML within the text argument was displayed unfiltered in the notification. The vulnerability allowed arbitrary JavaScript execution when an notification presented in the TinyMCE UI for the current user. This issue could also be exploited by any integration which uses a TinyMCE notification to display unfiltered HTML content.
Patches
This vulnerability has been patched in TinyMCE 5.10.8 and TinyMCE 6.7.1 by ensuring that the HTML displayed in the notification is sanitized, preventing the exploit.
Fix
To avoid this vulnerability:
References
For more information
If you have any questions or comments about this advisory:
Release Notes
tinymce/tinymce (tinymce)
v6.7.1Compare Source
Fixed
getContentandsetContentAPIs with theformat: 'raw'option, which also affected theresetContentAPI and the draft restoration feature of the Autosave plugin. #TINY-10236Configuration
📅 Schedule: Branch creation - "" (UTC), Automerge - At any time (no schedule defined).
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