What’s Vulnerable › Vulnerabilities

CVE-2021-23328: Prototype Pollution

• Severity: medium (CVSS 6.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-01-29 · updated 2026-06-17

Description

This affects all versions of package iniparserjs. This vulnerability relates when ini_parser.js is concentrating arrays. Depending on if user input is provided, an attacker can overwrite and pollute the object prototype of a program.

Affected products

• iniparserjs: all versions

References

• https://snyk.io/vuln/SNYK-JS-INIPARSERJS-1065989
• https://www.npmjs.com/package/iniparserjs
• https://snyk.io/vuln/SNYK-JS-INIPARSERJS-1065989
• https://www.npmjs.com/package/iniparserjs

Get alerted when CVE-2021-23328 or the next vulnerability affects your stack