Vulnerability · Published Jan 18, 2022 · Assigned by GitLab
CVE-2021-39946
High 8.7
In plain English
A high-severity security flaw in GitLab from GitLab. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.0% (higher than 64% of all known vulnerabilities).
Severity (CVSS 3.1)8.7High
Exploit odds (30 days)1.0%top 35.8% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 products (as reported)
References
- https://gitlab.com/gitlab-org/gitlab/-/issues/345657 x_refsource_MISC
- https://hackerone.com/reports/1398305 x_refsource_MISC
- https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39946.json x_refsource_CONFIRM