CVE-2021-39946 Information

Description

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 Vector

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

Reference

https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39946.json https://gitlab.com/gitlab-org/gitlab/-/issues/345657 https://hackerone.com/reports/1398305

Attack Complexity

LOW

Privileges Required

LOW

User Interaction Required

LOW

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

5.4