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Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

CVE-2025-57320

Medium
6.5/10

Summary

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

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • NONE
  • NONE
  • LOW
  • LOW

CWE-1321 - Prototype Pollution

Prototype pollution is one of the lesser-known vulnerabilities. It allows attackers to abuse the rules of JavaScript by injecting properties into the general object “Object” in JS. Modifying the prototype of “Object” affects the behavior of all objects in the entire app, potentially resulting in denial of service, arbitrary code execution, cross-site scripting, etc.

References

Advisory Timeline

  • Published