Vulnerability in WordPress
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.
EPSS exploit prediction
EPSS: 0.032 (87.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.032 · newest: 0.032 · change: 0.000
Affected products
- WordPress
- Debian Linux — versions 9.0, 10.0
Public proof-of-concept exploits
References
- wpvulndb.com/vulnerabilities/9911 (Third Party Advisory)
- blog.wpscan.org/wordpress/security/release/2019/10/15/wordpress-524-security-re… (Third Party Advisory)
- wordpress.org/news/2019/10/wordpress-5-2-4-security-release/ (Release Notes, Vendor Advisory)
- core.trac.wordpress.org/changeset/46478 (Patch, Vendor Advisory)
- github.com/WordPress/WordPress/commit/b224c251adfa16a5f84074a3c0886270c9df38de (Patch, Third Party Advisory)
- seclists.org/bugtraq/2020/Jan/8 (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2020/dsa-4599 (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2020/dsa-4677 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-17673?
- CVE-2019-17673 is a high-severity vulnerability in WordPress. CVSS score: 7.5/10. Published 2019-10-17.
- How severe is CVE-2019-17673?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-17673 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.