What is the severity of CVE-2021-22242?

CVE-2021-22242 is classified as a medium severity vulnerability due to the potential for stored cross-site scripting attacks.

How do I fix CVE-2021-22242?

To fix CVE-2021-22242, you should upgrade GitLab to version 14.1.2, 14.0.7, or later versions.

Which versions of GitLab are affected by CVE-2021-22242?

CVE-2021-22242 affects GitLab CE/EE versions from 11.4.0 to 14.0.7.

What type of vulnerability is CVE-2021-22242?

CVE-2021-22242 is a stored cross-site scripting vulnerability stemming from insufficient input sanitization in Mermaid markdown.

Can CVE-2021-22242 allow for remote code execution?

No, CVE-2021-22242 is a cross-site scripting vulnerability and does not directly result in remote code execution.

Vulnerability/
CVE-2021-22242

high

8.7

CWE

25/8/2021

3/8/2024

CVE-2021-22242: XSS

First published: Wed Aug 25 2021(Updated: )

Insufficient input sanitization in Mermaid markdown in GitLab CE/EE version 11.4 and up allows an attacker to exploit a stored cross-site scripting vulnerability via a specially-crafted markdown

Credit: cve@gitlab.com

Affected Software	Affected Version	How to fix
GitLab	>=11.4.0<13.12.9
GitLab	>=11.4.0<13.12.9
GitLab	>=14.0.0<14.0.7
GitLab	>=14.0.0<14.0.7
GitLab	>=14.1.0<14.1.2
GitLab	>=14.1.0<14.1.2

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Frequently Asked Questions

What is the severity of CVE-2021-22242?
CVE-2021-22242 is classified as a medium severity vulnerability due to the potential for stored cross-site scripting attacks.
How do I fix CVE-2021-22242?
To fix CVE-2021-22242, you should upgrade GitLab to version 14.1.2, 14.0.7, or later versions.
Which versions of GitLab are affected by CVE-2021-22242?
CVE-2021-22242 affects GitLab CE/EE versions from 11.4.0 to 14.0.7.
What type of vulnerability is CVE-2021-22242?
CVE-2021-22242 is a stored cross-site scripting vulnerability stemming from insufficient input sanitization in Mermaid markdown.
Can CVE-2021-22242 allow for remote code execution?
No, CVE-2021-22242 is a cross-site scripting vulnerability and does not directly result in remote code execution.

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Frequently Asked Questions

What is the severity of CVE-2021-22242?
CVE-2021-22242 is classified as a medium severity vulnerability due to the potential for stored cross-site scripting attacks.
How do I fix CVE-2021-22242?
To fix CVE-2021-22242, you should upgrade GitLab to version 14.1.2, 14.0.7, or later versions.
Which versions of GitLab are affected by CVE-2021-22242?
CVE-2021-22242 affects GitLab CE/EE versions from 11.4.0 to 14.0.7.
What type of vulnerability is CVE-2021-22242?
CVE-2021-22242 is a stored cross-site scripting vulnerability stemming from insufficient input sanitization in Mermaid markdown.
Can CVE-2021-22242 allow for remote code execution?
No, CVE-2021-22242 is a cross-site scripting vulnerability and does not directly result in remote code execution.