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Case File

CVE-2020-26870

MEDIUM · CVSS 6.1 EPSS 4.88% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-10-07 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 6.1. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

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

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

CVE
CVE-2020-26870
Severity
MEDIUM
CVSS
6.1
EPSS
4.88%

Original NVD Description

Cure53 DOMPurify before 2.0.17 allows mutation XSS. This occurs because a serialize-parse roundtrip does not necessarily return the original DOM tree, and a namespace can change from HTML to MathML, as demonstrated by nesting of FORM elements.

Related CVEs

Other vulnerabilities affecting the same vendor(s)