Security advisory for csvjson (CVE-2025-57318)

[adrai]

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.

References

• https://nvd.nist.gov/vuln/detail/CVE-2025-57318
• https://github.com/VulnSageAgent/PoCs/blob/main/JavaScript/prototype-pollution/csvjson%405.1.0/index.js
• https://github.com/VulnSageAgent/PoCs/tree/main/JavaScript/prototype-pollution/CVE-2025-57318

GHSA-xq4f-3jxp-qv6m