This affects the package ini before 1.3.6. If an attacker submits a malicious INI file to an application that parses it with ini.parse, they will pollute the prototype on the application. This can be exploited further depending on the context.
https://lists.debian.org/debian-lts-announce/2020/12/msg00032.html
https://github.com/npm/ini/commit/56d2805e07ccd94e2ba0984ac9240ff02d44b6f1
https://snyk.io/vuln/SNYK-JS-INI-1048974
Source: Mitre, NVD
Published: 2020-12-11
Updated: 2022-12-02
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 9.8
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: Critical
EPSS: 0.00291