SB20260428198 - Cross-site scripting in Trix
Published: April 28, 2026
Security Bulletin ID
SB20260428198
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Cross-site scripting (CVE-ID: N/A)
The vulnerability allows a remote user to execute arbitrary JavaScript code in the user's session.
The vulnerability exists due to cross-site scripting in the data-trix-serialized-attributes attribute handling when rendering crafted HTML content. A remote user can supply HTML containing a malicious data-trix-serialized-attributes attribute to execute arbitrary JavaScript code in the user's session.
User interaction is required when the content is rendered.
Remediation
Install update from vendor's website.