Risk Scores
CVSS v3.1
8.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
0.08%
22.6th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| capricorn86 | happy-dom | >= 15.10.0, < 20.8.8, >= 15.10.0, < 20.8.8, >= 15.10.0, < 20.8.8 |
| npm | happy-dom | 15.10.0, 15.10.0, 15.10.0 |
| capricorn86 | happy_dom | 15.10.0 |
Timeline
- Mar 26, 2026 CVE Published
- Mar 27, 2026 Security Advisory
- Mar 27, 2026 PoC Published
- Mar 27, 2026 PoC Published
- Mar 27, 2026 PoC Published
- Mar 28, 2026 EPSS Score
- Mar 30, 2026 CVE Updated
- Apr 13, 2026 PoC Published
References
- https://github.com/capricorn86/happy-dom/security/advisories/GHSA-6q6h-j7hj-3r64 url
- https://github.com/capricorn86/happy-dom/commit/5437fdf8f13adb9590f9f52616d9f69c3ee8db3c url
- https://github.com/capricorn86/happy-dom/releases/tag/v20.8.8 url
- https://github.com/capricorn86/happy-dom package
- https://nvd.nist.gov/vuln/detail/CVE-2026-33943 advisory