Unknown · Review Board · CVE-2021-31330
**Name of the Vulnerable Software and Affected Versions**
Review Board versions 3.0.20 and earlier
Review Board versions 4.0 RC1 and earlier
**Description**
A Cross-Site Scripting (XSS) issue exists, allowing an authenticated attacker to inject malicious Javascript code when using Markdown editing within the application, which remains persistent.
**Recommendations**
For Review Board versions 3.0.20 and earlier, update to a version later than 3.0.20 to resolve the issue.
For Review Board versions 4.0 RC1 and earlier, update to a version later than 4.0 RC1 to resolve the issue.