CVE-2019-16781

Medium

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.

SeverityMedium

CVSS5.8

Exploit probability—

Product

Wordpress

PublishedDec 26, 2019

First seenDec 26, 2019

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

wordpress wordpress5.3.1 or later

Vendor advisories

debian.org/security/2020/dsa-4599
debian.org/security/2020/dsa-4677

Affected products

Product	Affected versions	Fixed in
wordpress wordpress	v < 5.3.1	5.3.1
debian debian_linux	9.0, 10.0	—

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