csvjson vulnerable to prototype injection

Description

A Prototype Pollution vulnerability in the toCsv function of csvjson versions thru 5.1.0 allows attackers to inject properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.

Recommendation

No fix is available yet. Followings are affected versions:

• <= 5.1.0

References

• GHSA-xq4f-3jxp-qv6m
• CVE-2025-57318
• CWE-1321
• CAPEC-310
• OWASP 2021-A6

Related Issues

• BrowserStack Local vulnerable to Command Injection through logfile variable - CVE-2025-57283
• Linkify Allows Prototype Pollution & HTML Attribute Injection (XSS) - CVE-2025-8101
• tarteaucitron.js allows prototype pollution via custom text injection - CVE-2025-31475
• Vega vulnerable to Cross-site Scripting via RegExp.prototype[@@replace] - CVE-2025-27793

Tags:

npm

csvjson