CVE-2021-20088

high

Description

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution') in mootools-more 1.6.0 allows a malicious user to inject properties into Object.prototype.

References

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

Details

Source: MITRE

Published: 2021-04-23

Updated: 2021-05-01

Risk Information

CVSS v2

Base Score: 6.5

Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8

Severity: MEDIUM

CVSS v3

Base Score: 8.8

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

Impact Score: 5.9

Exploitability Score: 2.8

Severity: HIGH