What is the severity of CVE-2021-39878?

CVE-2021-39878 is classified as a medium severity vulnerability.

How do I fix CVE-2021-39878?

To fix CVE-2021-39878, upgrade GitLab to version 14.3.2 or later.

What impact does CVE-2021-39878 have on affected systems?

CVE-2021-39878 allows attackers to execute arbitrary JavaScript code on affected GitLab instances, leading to potential data compromise.

Which versions of GitLab are affected by CVE-2021-39878?

CVE-2021-39878 affects GitLab versions from 13.0 up to and including 14.3.1.

Is CVE-2021-39878 a cross-site scripting vulnerability?

Yes, CVE-2021-39878 is a stored reflected cross-site scripting vulnerability.

Vulnerability/
CVE-2021-39878

medium

5.8

CWE

5/10/2021

4/8/2024

CVE-2021-39878: XSS

First published: Tue Oct 05 2021(Updated: )

A stored Reflected Cross-Site Scripting vulnerability in the Jira integration in GitLab version 13.0 up to 14.3.1 allowed an attacker to execute arbitrary javascript code.

Credit: cve@gitlab.com

Affected Software	Affected Version	How to fix
GitLab	>=13.0.0<14.1.7
GitLab	>=13.0.0<14.1.7
GitLab	>=14.2.0<14.2.5
GitLab	>=14.2.0<14.2.5
GitLab	>=14.3.0<14.3.1
GitLab	>=14.3.0<14.3.1

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Frequently Asked Questions

What is the severity of CVE-2021-39878?
CVE-2021-39878 is classified as a medium severity vulnerability.
How do I fix CVE-2021-39878?
To fix CVE-2021-39878, upgrade GitLab to version 14.3.2 or later.
What impact does CVE-2021-39878 have on affected systems?
CVE-2021-39878 allows attackers to execute arbitrary JavaScript code on affected GitLab instances, leading to potential data compromise.
Which versions of GitLab are affected by CVE-2021-39878?
CVE-2021-39878 affects GitLab versions from 13.0 up to and including 14.3.1.
Is CVE-2021-39878 a cross-site scripting vulnerability?
Yes, CVE-2021-39878 is a stored reflected cross-site scripting vulnerability.

agent/type
agent/references
agent/weakness
agent/author
agent/softwarecombine
agent/description
collector/mitre-cve
source/MITRE
agent/severity
agent/last-modified-date
agent/first-publish-date
agent/event
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/gitlab
canonical/gitlab
version/gitlab/13.0.0
version/gitlab/14.2.0
version/gitlab/14.3.0

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Frequently Asked Questions

What is the severity of CVE-2021-39878?
CVE-2021-39878 is classified as a medium severity vulnerability.
How do I fix CVE-2021-39878?
To fix CVE-2021-39878, upgrade GitLab to version 14.3.2 or later.
What impact does CVE-2021-39878 have on affected systems?
CVE-2021-39878 allows attackers to execute arbitrary JavaScript code on affected GitLab instances, leading to potential data compromise.
Which versions of GitLab are affected by CVE-2021-39878?
CVE-2021-39878 affects GitLab versions from 13.0 up to and including 14.3.1.
Is CVE-2021-39878 a cross-site scripting vulnerability?
Yes, CVE-2021-39878 is a stored reflected cross-site scripting vulnerability.