Description

In WordPress before 5.3.1, authenticated users with lower privileges (like contributors) can inject JavaScript code in the block editor, which is executed within the dashboard. It can lead to an admin opening the affected post in the editor leading to XSS.

Remediation

References

CVE-2019-16781

Related Vulnerabilities

Drupal Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2009-1844)

Cherokee Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2019-20798)

Drupal Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2012-2922)

WordPress Plugin Smart Reporter for WooCommerce and WP eCommerce Multiple Unspecified Vulnerabilities (2.9.2)

WordPress Plugin Metform Elementor Contact Form Builder-Flexible and Design-Friendly Contact Form builder for WordPress Security Bypass (3.3.0)

Severity

Medium

Classification

CVE-2019-16781 CWE-707 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Tags

Missing Update Known Vulnerabilities