CVE-2021-39946

Improper neutralization of user input in GitLab CE/EE versions 14.3 to 14.3.6, 14.4 to 14.4.4, and 14.5 to 14.5.2 allowed an attacker to exploit XSS by abusing the generation of the HTML code related to emojis

CVSS v3 8.7 HIGH
CVSS v2.0 3.5 LOW

8.7^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.3 / Impact : 5.8

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

Scope CHANGED

3.5^/10

CVSS v2.0 : LOW

Vector : AV:N/AC:M/Au:S/C:N/I:P/A:N

Exploitability : 6.8 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39946.json	Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/345657	Broken Link Vendor Advisory
https://hackerone.com/reports/1398305	Permissions Required Third Party Advisory
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39946.json	Vendor Advisory
https://gitlab.com/gitlab-org/gitlab/-/issues/345657	Broken Link Vendor Advisory
https://hackerone.com/reports/1398305	Permissions Required Third Party Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*
	cpe:2.3:a:gitlab:gitlab:::::community:::*
	cpe:2.3:a:gitlab:gitlab:::::enterprise:::*

History

No history.

Information

Published : 2022-01-18 17:15

Updated : 2024-11-21 06:20

NVD link : CVE-2021-39946

Mitre link : CVE-2021-39946

CVE.ORG link : CVE-2021-39946

JSON object : View

Products Affected

gitlab

gitlab

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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