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

• Directory Traversal in node-simple-router - CVE-2017-16083
• Prebid.js NPM package briefly compromised - CVE-2025-59038
• devalue prototype pollution vulnerability - CVE-2025-57820
• js-toml Prototype Pollution Vulnerability - CVE-2025-54803

Tags:

npm

csvjson