CVE-2019-17670

Name: CVE-2019-17670
Creator: NVD / NIST
Published: 2019-10-17T13:15:10.843+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 4.51%

Last modified Jun 17, 2026

CVE-2019-17670 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. WordPress before 5.2.4 has a Server Side Request Forgery (SSRF) vulnerability because Windows paths are mishandled during certain validation of relative URLs.. EPSS estimates a 4.51% chance of exploitation in the next 30 days.

Description

WordPress before 5.2.4 has a Server Side Request Forgery (SSRF) vulnerability because Windows paths are mishandled during certain validation of relative URLs.

Metrics

CVSS 3.1

9.8/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

4.51%

90.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-918

Affected Software

Vendor	Product	Versions
Wordpress	Wordpress	< 5.2.4
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

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/46472Patch, Vendor Advisory
https://github.com/WordPress/WordPress/commit/9db44754b9e4044690a6c32fd74b9d5fe26b07b2Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/11/msg00000.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00011.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/10/msg00010.htmlMailing List, Third Party Advisory
https://wordpress.org/news/2019/10/wordpress-5-2-4-security-release/Release Notes, Vendor Advisory
https://wpvulndb.com/vulnerabilities/9912Third 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/46472Patch, Vendor Advisory
https://github.com/WordPress/WordPress/commit/9db44754b9e4044690a6c32fd74b9d5fe26b07b2Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2019/11/msg00000.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/09/msg00011.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/10/msg00010.htmlMailing List, Third Party Advisory
https://wordpress.org/news/2019/10/wordpress-5-2-4-security-release/Release Notes, Vendor Advisory
https://wpvulndb.com/vulnerabilities/9912Third Party Advisory

Timeline

Published: Oct 17, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-17670?

WordPress before 5.2.4 has a Server Side Request Forgery (SSRF) vulnerability because Windows paths are mishandled during certain validation of relative URLs.

How severe is CVE-2019-17670?

CVE-2019-17670 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 4.51% probability of exploitation in the next 30 days.

How do I fix CVE-2019-17670?

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.

Are you affected by CVE-2019-17670?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST