Home/CVE/WordPress before 5.2.4 is vulnerable to poisoning of the cache of JSON GET requests because certain requests lack a Vary
CVE

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

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

HIGH · CVSS 7.5 EPSS 0.03574
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
▤

Affected Products & Versions

2
wordpress< 5.2.4
debian linuxall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD17 Oct 2019 · 01:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
🔗

References & Sources

8
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://blog.wpscan.org/wordpress/security/release/2019/10/15/wordpress-524-security-release-breakdown.htmlThird Party Advisory
https://core.trac.wordpress.org/changeset/46478PatchVendor Advisory
https://github.com/WordPress/WordPress/commit/b224c251adfa16a5f84074a3c0886270c9df38dePatchThird Party Advisory
https://seclists.org/bugtraq/2020/Jan/8Mailing ListThird Party Advisory
https://wordpress.org/news/2019/10/wordpress-5-2-4-security-release/Release NotesVendor Advisory
https://wpvulndb.com/vulnerabilities/9911Third Party Advisory
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