CVE-2019-16222 Information

Description

WordPress before 5.2.3 has an issue with URL sanitization in wp_kses_bad_protocol_once in wp-includes/kses.php that can lead to cross-site scripting (XSS) attacks.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Reference

https://core.trac.wordpress.org/changeset/45997 https://github.com/WordPress/WordPress/commit/30ac67579559fe42251b5a9f887211bf61a8ed68 https://lists.debian.org/debian-lts-announce/2019/10/msg00023.html https://seclists.org/bugtraq/2020/Jan/8 https://wordpress.org/news/2019/09/wordpress-5-2-3-security-and-maintenance-release/ https://wpvulndb.com/vulnerabilities/9867 https://www.debian.org/security/2020/dsa-4599 https://www.debian.org/security/2020/dsa-4677

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1