CVE-2025-57320

6.5 mediumEPSS 0.3%

Medium (6.5) in open-federation json-schema-editor-visual. EPSS 0.3% chance of exploitation in the next 30 days.

json-schema-editor-visual is a package that provides jsonschema editor. A Prototype Pollution vulnerability in the setData and deleteData function of json-schema-editor-visual versions thru 1.1.1 allows attackers to inject or delete properties on Object.prototype via supplying a crafted payload, causing denial of service (DoS) as the minimum consequence.

Severity

CVSS 3.1

6.5 medium

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 25% of CVEs (scores of 2026-10-31)
CWE: CWE-1321
Published: 2025-09-24
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

open-federation:json-schema-editor-visual

Packages (OSV)

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-3c3p-xh4f-pfh7	npm	json-schema-editor-visual	<=2.0.0	no fix published

References

https://github.com/VulnSageAgent/PoCs/blob/main/JavaScript/prototype-pollution/json-schema-editor-visual%401.1.1/index.js
https://github.com/VulnSageAgent/PoCs/tree/main/JavaScript/prototype-pollution/CVE-2025-57320

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