Trix has a cross-site Scripting vulnerability on copy & paste

Description

The Trix editor, versions prior to 2.1.4, is vulnerable to XSS when pasting malicious code. This vulnerability is a bypass of the fix put in place for https://github.com/basecamp/trix/security/advisories/GHSA-qjqp-xr96-cj99. In https://github.com/basecamp/trix/pull/1149, we added sanitation for Trix attachments with a text/html content type.

Recommendation

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

• Affected version(s): < 2.1.4
• Patched version(s): 2.1.4

References

• GHSA-qm2q-9f3q-2vcv
• developer.mozilla.org
• CVE-2024-43368
• CWE-79
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• The AuthKit Remix Library renders sensitive auth data in HTML - CVE-2025-55009
• Strapi allows Server-Side Request Forgery in Webhook function - CVE-2024-52588
• Trix vulnerable to Cross-site Scripting on copy & paste - CVE-2025-46812
• Redoc Prototype Pollution via `Module.mergeObjects` Component - CVE-2024-57083

Tags:

npm

trix