CVEvulnerability
CVE-2021-39946
5.4 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2022-01-18
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.7 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
- CVSS 3.1 ([email protected])
- 5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- CVSS 2.0 ([email protected])
- 3.5 LOW — AV:N/AC:M/Au:S/C:N/I:P/A:N
- Weaknesses
- CWE-79
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
Affected configurations
• gitlab gitlab (>= 14.3 < 14.3.6)
• gitlab gitlab (>= 14.4 < 14.4.4)
• gitlab gitlab (>= 14.5 < 14.5.2)
Related
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- 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