Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')
CVE-2021-25947
Summary
Prototype pollution vulnerability in 'nestie' versions 0.0.0 through 1.0.0 allows an attacker to cause a denial of service and may lead to remote code execution.
- LOW
- NETWORK
- HIGH
- UNCHANGED
- NONE
- NONE
- HIGH
- HIGH
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