CVE-2019-17673
HIGHCVSS 7.5/10EPSS 3.15%
Last modified
CVE-2019-17673 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. WordPress before 5.2.4 is vulnerable to poisoning of the cache of JSON GET requests because certain requests lack a Vary: Origin header.. EPSS estimates a 3.15% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Wordpress | Wordpress | < 5.2.4 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
References
- 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://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
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is 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.
How severe is CVE-2019-17673?
CVE-2019-17673 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 3.15% probability of exploitation in the next 30 days.
How do I fix CVE-2019-17673?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2019-17673?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST