Cross-site scripting vulnerability in TinyMCE

Description

A cross-site scripting (XSS) vulnerability was discovered in the schema validation 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 editor APIs.

Recommendation

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

• Affected version(s): < 5.9.0
• Patched version(s): 5.9.0

References

• GHSA-5h9g-x5rv-25wg
• www.tiny.cloud
• CVE-2024-21908
• CWE-79
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• Cross-site scripting vulnerability in TinyMCE - tinymce - CVE-2024-21911
• Cross-site scripting vulnerability in TinyMCE plugins - CVE-2024-21910
• 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