All vulnerabilities

WordPress core

CVE-2019-17673

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

Severity
High 7.5
Published
17 Oct 2019
Last changed
17 Jun 2026
Added to UpHeron
17 Oct 2026
Fixed in
5.2.4
Sources
NVD

Affected software

SoftwareAffected versions
WordPressWordPress core · cpe:a:wordpress:wordpress
  • Every version before 5.2.4

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2019-17673
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2019-17673