CVE-2020-4023

Name: CVE-2020-4023
Creator: NVD / NIST
Published: 2020-06-01T07:15:11.157+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.77%

Last modified Jun 17, 2026

CVE-2020-4023 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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.. EPSS estimates a 0.77% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

EPSS Probability

0.77%

51.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Atlassian	Crucible	< 4.8.2
Atlassian	Fisheye	< 4.8.2

References

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

Timeline

Published: Jun 1, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-4023?

How severe is CVE-2020-4023?

CVE-2020-4023 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.77% probability of exploitation in the next 30 days.

How do I fix CVE-2020-4023?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-4023?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST