Vulnerability Monitor

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CVE-2021-31330

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.

Published

2022-05-11T18:15:22.303

Last Modified

2024-11-21T06:05:26.560

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 5.4 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:S/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: SINGLE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

6.8

Impact Score

2.9

Weaknesses

Type: Primary
CWE-79

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	reviewboard	review_board	3.0.20	Yes
Application	reviewboard	review_board	4.0	Yes
Application	reviewboard	review_board	4.0	Yes
Application	reviewboard	review_board	4.0	Yes

References

https://mattschmidt.net/2021/04/14/review-board-xss-discovered/ Exploit, Third Party Advisory ([email protected])
https://www.reviewboard.org/docs/releasenotes/reviewboard/3.0.21/ Release Notes, Vendor Advisory ([email protected])
https://www.reviewboard.org/docs/releasenotes/reviewboard/4.0-rc-2/ Release Notes, Vendor Advisory ([email protected])
https://www.reviewboard.org/news/2021/04/14/review-board-3-0-21-and-4-0-rc-2-security-bug-fixes-and-docker/ Release Notes, Vendor Advisory ([email protected])
https://mattschmidt.net/2021/04/14/review-board-xss-discovered/ Exploit, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.reviewboard.org/docs/releasenotes/reviewboard/3.0.21/ Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.reviewboard.org/docs/releasenotes/reviewboard/4.0-rc-2/ Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.reviewboard.org/news/2021/04/14/review-board-3-0-21-and-4-0-rc-2-security-bug-fixes-and-docker/ Release Notes, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)