CVE-2021-39946
Status: ModifiedMedium (5.4)—
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
- Version: 3.1
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- Base score: 5.4
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 1.04%
- Percentile among all scored CVEs: 63
- Score date: 10/8/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (1)
CWEs
- CWE-79
References
- 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
- 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
Raw JSON (NVD)
Show
{
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},
{
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}
],
"lastModified": "2026-06-17T04:04:28.640",
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