Cross-site scripting vulnerability in TinyMCE - tinymce

Description

A cross-site scripting (XSS) vulnerability was discovered in the URL sanitization logic of the core parser. The vulnerability allowed arbitrary JavaScript execution when inserting a specially crafted piece of content into the editor using the clipboard or APIs. This impacts all users who are using TinyMCE 5.5.1 or lower.

Recommendation

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

• Affected version(s): < 5.6.0
• Patched version(s): 5.6.0

References

• GHSA-w7jx-j77m-wp65
• www.npmjs.com
• www.tiny.cloud
• CVE-2024-21911
• CWE-79
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• Cross-site scripting vulnerability in TinyMCE plugins - CVE-2024-21910
• Cross-site scripting vulnerability in TinyMCE - CVE-2024-21908
• TinyMCE Cross-Site Scripting (XSS) vulnerability in handling external SVG files through Object or Embed elements - CVE-2024-29881
• TinyMCE Cross-Site Scripting (XSS) vulnerability in handling iframes - CVE-2024-29203

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Tags:

npm

tinymce