Trix allows Cross-site Scripting via `javascript:` url in a link

Description

The Trix editor, versions prior to 2.1.11, is vulnerable to XSS when pasting malicious code in the link field.

Recommendation

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

• Affected version(s): < 2.1.12
• Patched version(s): 2.1.12

References

• GHSA-j386-3444-qgwg
• CVE-2025-21610
• CWE-79
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• Server secret was included in static assets and served to clients - Vulnerability
• seroval Affected by Prototype Pollution via JSON Deserialization - CVE-2026-23736
• Trix has a stored XSS vulnerability through its attachment attribute - Vulnerability
• ALTCHA Proof-of-Work Vulnerable to Challenge Splicing and Replay - CVE-2025-68113

Tags:

npm

trix