CVE-2020-4023

Severity: medium (CVSS 5.4 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-06-01 · updated 2026-06-17
Weakness: CWE-79

Description

The review coverage resource in Atlassian Fisheye and Crucible before version 4.8.2 allows remote attackers to inject arbitrary HTML or Javascript via a cross site scripting (XSS) vulnerability through the committerFilter parameter.

Affected products

Atlassian Crucible: before 4.8.2 — fixed in 4.8.2
Atlassian Fisheye: before 4.8.2 — fixed in 4.8.2

How to fix

Upgrade to a fixed version: Atlassian Crucible 4.8.2; Atlassian Fisheye 4.8.2. Check the vendor advisory for mitigations.

References

https://jira.atlassian.com/browse/CRUC-8482
https://jira.atlassian.com/browse/FE-7298
https://jira.atlassian.com/browse/CRUC-8482
https://jira.atlassian.com/browse/FE-7298

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