CWE
79
Advisory Published
Updated

CVE-2021-31330: XSS

First published: Wed May 11 2022(Updated: )

A Cross-Site Scripting (XSS) vulnerability exists within Review Board versions 3.0.20 and 4.0 RC1 and earlier. An authenticated attacker may inject malicious Javascript code when using Markdown editing within the application which remains persistent.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Review Board=3.0.20
Review Board=4.0-beta1
Review Board=4.0-beta2
Review Board=4.0-rc1

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Frequently Asked Questions

  • What is the severity of CVE-2021-31330?

    CVE-2021-31330 is considered a medium severity Cross-Site Scripting (XSS) vulnerability.

  • How do I fix CVE-2021-31330?

    To fix CVE-2021-31330, upgrade to Review Board version 3.0.21 or later, or 4.0 RC2 or later.

  • Who is affected by CVE-2021-31330?

    CVE-2021-31330 affects users of Review Board versions 3.0.20 and any 4.0 beta and release candidate prior to 4.0 RC2.

  • What type of vulnerability is CVE-2021-31330?

    CVE-2021-31330 is a Cross-Site Scripting (XSS) vulnerability.

  • What can an attacker do with CVE-2021-31330?

    An attacker can inject persistent malicious Javascript code into the application through Markdown editing.

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