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CVE-2019-17673

HIGH 7.5 CVSS 3.1
Published
October 17, 2019
Last modified
June 17, 2026
NVD status
Modified
Reported by
cve@mitre.org
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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.

Affected WordPress components

  • WordPress core
    Confirmed match
    Before 5.2.4

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • n/a n/a — Versions not specified
  • wordpress wordpress — Before 5.2.4

References

  • blog.wpscan.org https://blog.wpscan.org/wordpress/security/release/2019/10/15/wordpress-524-security-release-breakdown.html Third Party Advisory
  • core.trac.wordpress.org https://core.trac.wordpress.org/changeset/46478 Patch, Vendor Advisory
  • github.com https://github.com/WordPress/WordPress/commit/b224c251adfa16a5f84074a3c0886270c9df38de Patch, Third Party Advisory
  • seclists.org https://seclists.org/bugtraq/2020/Jan/8 Mailing List, Third Party Advisory
  • wordpress.org https://wordpress.org/news/2019/10/wordpress-5-2-4-security-release/ Release Notes, Vendor Advisory
  • wpvulndb.com https://wpvulndb.com/vulnerabilities/9911 Third Party Advisory
  • www.debian.org https://www.debian.org/security/2020/dsa-4599 Third Party Advisory
  • www.debian.org https://www.debian.org/security/2020/dsa-4677 Third Party Advisory
  • nvd.nist.gov Official NVD record