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.
References (8)
Core 8
Core References
Third Party Advisory x_refsource_misc
https://wpvulndb.com/vulnerabilities/9911
Third Party Advisory x_refsource_misc
https://blog.wpscan.org/wordpress/security/release/2019/10/15/wordpress-524-security-release-breakdown.html
Release Notes, Vendor Advisory x_refsource_misc
https://wordpress.org/news/2019/10/wordpress-5-2-4-security-release/
Patch, Vendor Advisory x_refsource_misc
https://core.trac.wordpress.org/changeset/46478
Patch, Third Party Advisory x_refsource_misc
https://github.com/WordPress/WordPress/commit/b224c251adfa16a5f84074a3c0886270c9df38de
Mailing List, Third Party Advisory mailing-list
x_refsource_bugtraq
https://seclists.org/bugtraq/2020/Jan/8
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2020/dsa-4599
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2020/dsa-4677
Scores
CVSS v3
7.5
EPSS
0.0357
EPSS Percentile
87.8%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Details
Status
published
Products (3)
debian/debian_linux
9.0
debian/debian_linux
10.0
wordpress/wordpress
< 5.2.4
Published
Oct 17, 2019
Tracked Since
Feb 18, 2026