PT-2022-11092 · Gitlab · Gitlab Ce/Ee+1

Jarij · Published 2022-01-18 · Updated 2024-03-06 · CVE-2021-39946

Positive Technologies (AI Summary)

CVSS v3.1

8.7

High

Base vector

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

Name of the Vulnerable Software and Affected Versions GitLab CE/EE versions 14.3 through 14.3.6 GitLab CE/EE versions 14.4 through 14.4.4 GitLab CE/EE versions 14.5 through 14.5.2

Description The issue is related to the improper neutralization of user input, allowing an attacker to exploit XSS by abusing the generation of HTML code related to emojis.

Recommendations For versions 14.3 through 14.3.6, update to a version outside of this range to resolve the issue. For versions 14.4 through 14.4.4, update to a version outside of this range to resolve the issue. For versions 14.5 through 14.5.2, update to a version outside of this range to resolve the issue.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

BIT-GITLAB-2021-39946

CVE-2021-39946

Affected Products

Gitlab

Gitlab Ce/Ee

References · 10

• https://nvd.nist.gov/vuln/detail/CVE-2021-39946 · Security Note
• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39946.json · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-39946 · Vendor Advisory
• https://gitlab.com/gitlab-org/gitlab/-/issues/345657 · Vendor Advisory
• https://ubuntu.com/security/CVE-2021-39946 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-39946 · Security Note
• https://osv.dev/vulnerability/BIT-gitlab-2021-39946 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-39946 · Vendor Advisory
• https://about.gitlab.com/releases/2022/01/11/security-release-gitlab-14-6-2-released · Note
• https://hackerone.com/reports/1398305 · Note