CVE Vulnerability

CVE-2019-20041

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.

7.5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.8 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://wordpress.org/news/2019/12/wordpress-5-3-1-security-and-maintenance-release/ Release Notes Vendor Advisory
https://github.com/WordPress/wordpress-develop/commit/b1975463dd995da19bb40d3fa0786498717e3c53 Patch
https://www.debian.org/security/2020/dsa-4599 Third Party Advisory
https://seclists.org/bugtraq/2020/Jan/8 Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/01/msg00010.html Mailing List Third Party Advisory
https://www.debian.org/security/2020/dsa-4677 Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Information

Published : 2019-12-27 08:15

Updated : 2022-11-23 08:12

NVD link : CVE-2019-20041

Mitre link : CVE-2019-20041

Products Affected
No products.
CWE
CWE-20