Vulnerability 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 Score
8.7
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Gitlab | Gitlab | >= 14.3, < 14.3.6 |
Related Weaknesses (CWE)
References
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39946.jsonVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/345657Broken LinkVendor Advisory
- https://hackerone.com/reports/1398305Permissions RequiredThird Party Advisory
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39946.jsonVendor Advisory
- https://gitlab.com/gitlab-org/gitlab/-/issues/345657Broken LinkVendor Advisory
- https://hackerone.com/reports/1398305Permissions RequiredThird Party Advisory
FAQ
What is CVE-2021-39946?
CVE-2021-39946 is a vulnerability with a CVSS score of 8.7 (HIGH). 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 ...
How severe is CVE-2021-39946?
CVE-2021-39946 has been rated HIGH with a CVSS base score of 8.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-39946?
Check the references section above for vendor advisories and patch information. Affected products include: Gitlab Gitlab.