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

WordPress Ultimate Member Plugin Weak Password Recovery Mechanism for Forgotten Password Vulnerability (CVE-2019-10270)

Magento CVE-2019-8123 Vulnerability (CVE-2019-8123)

WordPress Plugin Web Directory Free SQL Injection (1.6.9)

Apache HTTP Server Other Vulnerability (CVE-2004-0885)

Atlassian Jira Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2017-18039)

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