CVE-2019-20041

—

CVSS 3.1

9.8 critical

EPSS

5%p91

Published

Dec 27, 2019 (Dec 27, 2019)

Modified

Jun 17, 2026

Description

wp_kses_bad_protocol in wp-includes/kses.php in WordPress before 5.3.1 mishandles the HTML5 colon named entity, allowing attackers to bypass input sanitization, as demonstrated by the javascript: substring.

Vendors: wordpress debian
Products: wordpress, debian linux
Ecosystems: WordPress
Weakness: CWE-20
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (4.7%)

In the news0 stories

No ingested article mentions this CVE yet.