CVE-2021-31330

MEDIUM 5.4CVE-2021-31330 · Published 11/05/2022 · updated 17/06/2026

In short

CVE-2021-31330 is a MEDIUM (CVSS 5.4) vulnerability affecting review board (reviewboard).
Chance of exploitation in the next 30 days (EPSS): 0.82%, higher than 57.4% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
review board reviewboard	`= 3.0.20= 4.0`	No fix yet

Description

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.

References

mattschmidt.net/2021/04/14/review-board-xss-discovered · Exploit
reviewboard.org/docs/releasenotes/reviewboard/3.0.21 · Release Notes
reviewboard.org/docs/releasenotes/reviewboard/4.0-rc-2 · Release Notes
reviewboard.org/news/2021/04/14/review-board-3-0-21-and-4-0-rc-2-security-bug-fixes-and-docker · Release Notes

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Package

Affected versions

Patched versions

review board

reviewboard

= 3.0.20= 4.0

No fix yet

More vulnerabilities in review board

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