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.

Remediation

References

CVE-2020-26870

Related Vulnerabilities

WordPress Plugin Coming Soon Page & Maintenance Mode Cross-Site Scripting (1.8.1)

PostgreSQL Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2021-32028)

Magento Session Fixation Vulnerability (CVE-2019-8116)

Drupal Improper Control of Generation of Code ('Code Injection') Vulnerability (CVE-2013-6385)

Oracle JRE CVE-2022-39399 Vulnerability (CVE-2022-39399)

Severity

Medium

Classification

CVE-2020-26870 CWE-707 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Tags

Missing Update Known Vulnerabilities