← Back

CVE-2019-20041

nvd nist
Published: Dec 27, 2019Modified: Jun 17, 2026

JSON object

Loading...
9.8
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Exploitability: 3.9 / Impact: 5.9
Source: NVD

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.

Affected (4)

Wordpress
1 product
Wordpress
Debian
1 product
Debian Linux
Configuration A
1 vulnerable
Vulnerable SoftwareAffected Versions
Wordpress
Before 5.3.1
Configuration B
3 vulnerable
Vulnerable SoftwareAffected Versions
Debian
Debian Linux
Version 10.0
Debian Linux
Version 8.0
Debian Linux
Version 9.0

Related CWEs

CWE-20
Improper Input Validation
The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References (12)

Source: cve@mitre.org
Patch
Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Mailing ListThird Party Advisory
Source: cve@mitre.org
Release NotesVendor Advisory
Source: cve@mitre.org
Third Party Advisory
Source: cve@mitre.org
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Release NotesVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.