🛡️ CVE-2020-28461 — js-ini

🔴 CVSS 9.5 — Critical ✅ No Known Exploit CWE-1321 OSV
9.5
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

js-ini Prorotype Pollution when malicious INI files submitted to an application that parses it with parse

This affects the package js-ini before 1.3.0. 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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality high, integrity high, availability high.

Weakness class

CVE-2020-28461 is classified as CWE-1321: Prototype Pollution. Attacker input can modify an object prototype, changing behaviour for objects across the application.

Affected software

CVE-2020-28461 is recorded against 1 package.

  • js-ini

Timeline and source

Published on 26 July 2022 and last revised on 8 November 2023. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

nvd.nist.gov (Advisory)
github.com (Web)
github.com (Package)
security.snyk.io (Web)

Details

Severity CRITICAL
CVSS Score 9.5
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CWE CWE-1321
Public Exploit ✅ No
Source OSV
Published 2022-07-26
Updated 2026-08-12
Modified 2023-11-08
Fix URL N/A

Affected Packages

Software From version Fixed in
js-ini — —

Exploit Protection

Are you running js-ini?

CVE-2020-28461 carries CVSS 9.5 Critical rating. BotEraser checks your installation against this and other known CVE records, and blocks IPs associated with exploit activity.

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