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CVE-2021-39946

Date: January 18, 2022

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

Severity Score

8.7

Related Resources (6)

Url: https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39946.json

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-39946

Url: https://gitlab.com/gitlab-org/gitlab/-/issues/345657

Url: https://hackerone.com/reports/1398305

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2021-39946

Url: https://www.mend.io/vulnerability-database/CVE-2021-39946

Severity Score

8.7

Weakness Type (CWE)

Cross-Site Scripting (XSS)

CWE-79

CVSS v3.1

Base Score:	8.7
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	REQUIRED
Scope (S):	CHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	NONE

CVSS v2

Base Score:	3.5
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	SINGLE
Confidentiality (C):	NONE
Integrity (I):	PARTIAL
Availability (A):	NONE
Additional information:

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