CVEs-PoC/2021/CVE-2021-20089.md

CVE-2021-20089

Description

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in purl 2.3.2 allows a malicious user to inject properties into Object.prototype.

POC

Reference

• https://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/purl.md
• https://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/purl.md

Github

• https://github.com/BlackFan/client-side-prototype-pollution
• https://github.com/retr0-13/client-side-prototype-pollution