VulnerabilityModified
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.
HIGH 7.5EPSS 3.15%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.15%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- EPSS
- 3.15% probability · 87th percentile
- CISA KEV
- Not listed
- Affected
- wordpress/wordpress · debian/debian linux
- Source
- cve@mitre.org
References
- https://blog.wpscan.org/wordpress/security/release/2019/10/15/wordpress-524-security-release-breakdown.htmlThird Party Advisory
- https://core.trac.wordpress.org/changeset/46478Patch, Vendor Advisory
- https://github.com/WordPress/WordPress/commit/b224c251adfa16a5f84074a3c0886270c9df38dePatch, Third Party Advisory
- https://seclists.org/bugtraq/2020/Jan/8Mailing List, Third Party Advisory
- https://wordpress.org/news/2019/10/wordpress-5-2-4-security-release/Release Notes, Vendor Advisory
- https://wpvulndb.com/vulnerabilities/9911Third Party Advisory
- https://www.debian.org/security/2020/dsa-4599Third Party Advisory
- https://www.debian.org/security/2020/dsa-4677Third Party Advisory
- https://blog.wpscan.org/wordpress/security/release/2019/10/15/wordpress-524-security-release-breakdown.htmlThird Party Advisory
- https://core.trac.wordpress.org/changeset/46478Patch, Vendor Advisory
- https://github.com/WordPress/WordPress/commit/b224c251adfa16a5f84074a3c0886270c9df38dePatch, Third Party Advisory
- https://seclists.org/bugtraq/2020/Jan/8Mailing List, Third Party Advisory
- https://wordpress.org/news/2019/10/wordpress-5-2-4-security-release/Release Notes, Vendor Advisory
- https://wpvulndb.com/vulnerabilities/9911Third Party Advisory
- https://www.debian.org/security/2020/dsa-4599Third Party Advisory
- https://www.debian.org/security/2020/dsa-4677Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.