CVE-2019-17673 Information

Description

WordPress before 5.2.4 is vulnerable to poisoning of the cache of JSON GET requests because certain requests lack a Vary: Origin header.

CVSS Vector

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

Reference

https://blog.wpscan.org/wordpress/security/release/2019/10/15/wordpress-524-security-release-breakdown.html https://core.trac.wordpress.org/changeset/46478 https://github.com/WordPress/WordPress/commit/b224c251adfa16a5f84074a3c0886270c9df38de https://seclists.org/bugtraq/2020/Jan/8 https://wordpress.org/news/2019/10/wordpress-5-2-4-security-release/ https://wpvulndb.com/vulnerabilities/9911 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

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

NONE

Availability Impact

HIGH

Base Score

NONE

Base Severity

7.5