National Vulnerability Database

National Vulnerability Database

National Vulnerability
Database

CVE-2019-20041 Detail

Current 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.

Source:  MITRE
View Analysis Description

Severity



CVSS 3.x Severity and Metrics:

NIST CVSS score
NIST: NVD
Base Score: 9.8 CRITICAL
Vector:  CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

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Hyperlink Resource
https://github.com/WordPress/wordpress-develop/commit/b1975463dd995da19bb40d3fa0786498717e3c53 Patch
https://lists.debian.org/debian-lts-announce/2020/01/msg00010.html
https://seclists.org/bugtraq/2020/Jan/8
https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/ Release Notes Vendor Advisory
https://www.debian.org/security/2020/dsa-4599

Weakness Enumeration

CWE-ID CWE Name Source
CWE-20 Improper Input Validation NIST  

Known Affected Software Configurations Switch to CPE 2.2

Configuration 1 ( hide )
 cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
     Show Matching CPE(s)
Up to (excluding)
5.3.1


Change History

3 change records found - show changes

Quick Info

CVE Dictionary Entry:
CVE-2019-20041
NVD Published Date:
12/27/2019
NVD Last Modified:
01/08/2020