Cross-site scripting vulnerability in TinyMCE - tinymce - GHSA-5vm8-hhgr-jcjp

Description

A cross-site scripting (XSS) vulnerability was discovered in the URL sanitization logic of the core parser for form elements. The vulnerability allowed arbitrary JavaScript execution when inserting a specially crafted piece of content into the editor using the clipboard or APIs, and then submitting the form.

Recommendation

Update the tinymce package to the latest compatible version. Followings are version details:

• Affected version(s): < 5.7.1
• Patched version(s): 5.7.1

References

• GHSA-5vm8-hhgr-jcjp
• CWE-79
• OWASP 2021-A3