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Case File

CVE-2021-20088

HIGH · CVSS 8.8 EPSS 1.45% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-04-23 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
github.com ↗

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-20088
Severity
HIGH
CVSS
8.8
EPSS
1.45%

Original NVD 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.