What’s Vulnerable › Vulnerabilities

CVE-2020-28462: Prototype Pollution

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-07-25 · updated 2026-06-17
• Weakness: CWE-1321

Description

This affects all versions of package ion-parser. If an attacker submits a malicious INI file to an application that parses it with parse , they will pollute the prototype on the application. This can be exploited further depending on the context.

Affected products

• ion-parser: all versions

References

• https://security.snyk.io/vuln/SNYK-JS-IONPARSER-1048971
• https://security.snyk.io/vuln/SNYK-JS-IONPARSER-1048971

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