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CVE-2021-31330

Good to know:

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Date: May 11, 2022

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.

Language: Python

Severity Score

Related Resources (6)

https://mattschmidt.net/2021/04/14/review-board-xss-discovered/
https://nvd.nist.gov/vuln/detail/CVE-2021-31330
https://www.reviewboard.org/news/2021/04/14/review-board-3-0-21-and-4-0-rc-2-security-bug-fixes-and-docker/
https://www.reviewboard.org/docs/releasenotes/reviewboard/4.0-rc-2/
https://www.reviewboard.org/docs/releasenotes/reviewboard/3.0.21/
https://www.mend.io/vulnerability-database/CVE-2021-31330

Severity Score

Weakness Type (CWE)

Cross-Site Scripting (XSS)

CWE-79

Top Fix

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Upgrade to version ReviewBoard - 3.0.21,4.0

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): REQUIRED
Scope (S): CHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): NONE

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): SINGLE
Confidentiality (C): NONE
Integrity (I): PARTIAL
Availability (A): NONE
Additional information:

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