GHSA-xq4f-3jxp-qv6m

csvjson vulnerable to prototype injection

Source: GitHub Advisory Database (reviewed) High CVE-2025-57318

Packages

Ecosystem	Package	Affected	Fixed in
npm	csvjson	<= 5.1.0	no fix listed

Details

As written in the advisory (Markdown source, shown as plain text).

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

External links from the advisory. They lead to third-party sites.

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