CVE-2021-31330
MEDIUM
5.4
CVSS Score
Published: May 11, 2022 at 05:34 PM UTC
Updated: June 17, 2026 at 03:51 AM UTC
1 product affected across 1 vendorReview Board
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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.8%
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.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://mattschmidt.net/2021/04/14/review-board-xss-discovered/x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://www.reviewboard.org/docs/releasenotes/reviewboard/3.0.21/x_refsource_MISCRelease NotesVendor Advisory
Source: [email protected]
https://www.reviewboard.org/docs/releasenotes/reviewboard/4.0-rc-2/x_refsource_MISCRelease NotesVendor Advisory
Source: [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/CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- LOW
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality
- LOW
- Integrity
- LOW
- Availability
- NONE
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-79
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