Prototype Pollution in Open-Federation Json-Schema-Editor-Visual
CVE-2025-57320
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.
Vulnerability class: Prototype Pollution
EPSS: 0.003 (22.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L.
Affected products
- Open-federation Json-schema-editor-visual
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Broken Link)
- cve@mitre.org (Third Party Advisory)
Frequently asked questions
- What is CVE-2025-57320?
- CVE-2025-57320 is a medium-severity vulnerability in Open-Federation Json-Schema-Editor-Visual, classified under Improperly Controlled Modification of Object Prototype Attributes (Prototype Pollution). CVSS score: 6.5/10. Published 2025-09-24.
- How severe is CVE-2025-57320?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2025-57320 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.