Description
This affects the package @firebase/util before 0.3.4. This vulnerability relates to the deepExtend function within the DeepCopy.ts file. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.
Metrics
CVSS 3.1 5.3/10
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NAffected software
No affected versions have been published.
Timeline
- Published
- Nov 16, 2020
- Last modified
- Jun 17, 2026
- NVD status
- Modified