CVE-2019-17673
HIGH severity · CVSS 7.5
7.5CVSS HIGH
Summary
WordPress before 5.2.4 is vulnerable to poisoning of the cache of JSON GET requests because certain requests lack a Vary: Origin header.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactNone
Integrity impactHigh
Availability impactNone
Exploit probability (EPSS)4%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://core.trac.wordpress.org/changeset/46478 ↗
Additional information
- NVD record
- https://core.trac.wordpress.org/changeset/46478Patch
- https://github.com/WordPress/WordPress/commit/b224c251adfa16a5f84074a3c0886270c9df38dePatch
- https://wordpress.org/news/2019/10/wordpress-5-2-4-security-release/Advisory
- https://blog.wpscan.org/wordpress/security/release/2019/10/15/wordpress-524-security-release-breakdown.htmlAdvisory
- https://seclists.org/bugtraq/2020/Jan/8Advisory
- https://wpvulndb.com/vulnerabilities/9911Advisory
- https://www.debian.org/security/2020/dsa-4599Advisory
- https://www.debian.org/security/2020/dsa-4677Advisory