SB2022111865 - Cross-site scripting in Flarum
Published: November 18, 2022 Updated: April 20, 2026
Security Bulletin ID
SB2022111865
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: CVE-2022-41938)
The vulnerability allows a remote user to execute arbitrary script in a victim's browser.
The vulnerability exists due to cross-site scripting in the page title system when rendering discussion titles as HTML DOM nodes. A remote user can create or rename a discussion with malicious HTML markup to execute arbitrary script in a victim's browser.
User interaction is required to open the relevant discussion page.
Remediation
Install update from vendor's website.