Vulnerability Report

CVE-2019-20041

Title: Wordpress Improper Input Validation

Improper Input Validation

Proof Of Concept

No public PoC currently indexed for CVE-2019-20041.

CWE Category CWE-20
Published Date Dec 27, 2019
Modified Date Nov 21, 2024
Exploit Status Not Found
Score 9.8 CVSS v3.1
Exploit Probability (EPSS)
1.37%

Vulnerability Summary

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.

Impacted Vendors

W
wordpress 1

Reference Links

https://github.com/WordPress/wordpress-develop/commit/b1975463dd995da19bb40d3fa0786498717e3c53 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/ https://www.debian.org/security/2020/dsa-4599 https://www.debian.org/security/2020/dsa-4677 https://github.com/WordPress/wordpress-develop/commit/b1975463dd995da19bb40d3fa0786498717e3c53 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/ https://www.debian.org/security/2020/dsa-4599 https://www.debian.org/security/2020/dsa-4677
CVSS v3.1
Source Entity [email protected]
Severity CRITICAL
9.8
Attack Vector
NETWORK
Complexity
LOW
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity HIGH
7.5
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2019-20041 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity LOW
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.