CVE-2019-17670

WordPress before 5.2.4 has a Server Side Request Forgery (SSRF) vulnerability because Windows...

9.8 CriticalFix available

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

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

4.51%Up 2.9 points since Apr 14, 2021

What each source reports

NVD Score used 9.8

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

Record: CVE-2019-17670
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 7.5 HighAV:N/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-918
Updated: 2026-11-02

CVE List No score

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

Record: CVE-2019-17670
Updated: 2026-11-02

EUVDEUVD-2019-7975 No score

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

Record: EUVD-2019-7975
Updated: 2026-11-03

GitHub AdvisoriesGHSA-9vwr-ww7h-qvv8 9.8

WordPress before 5.2.4 has a Server Side Request Forgery (SSRF) vulnerability because Windows...

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

Record: GHSA-9vwr-ww7h-qvv8
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-918
Updated: 2026-11-02

OSV 9.8

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

Record: CVE-2019-17670
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2019-17670 9.8

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

Record: DEBIAN-CVE-2019-17670
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2019-17670 9.8

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

Record: UBUNTU-CVE-2019-17670
CVSS 3.1: 9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`wordpress` Debian:12	before 5.2.4+dfsg1-1	5.2.4+dfsg1-1
`wordpress` Debian:13	before 5.2.4+dfsg1-1	5.2.4+dfsg1-1
`wordpress` Debian:14	before 5.2.4+dfsg1-1	5.2.4+dfsg1-1
`wordpress` Debian:8 From an advisory covering 4 CVEs	before 4.1.28+dfsg-0+deb8u1, plus listed versions 4.1+dfsg-14.1+dfsg-1+deb8u14.1+dfsg-1+deb8u104.1+dfsg-1+deb8u114.1+dfsg-1+deb8u12 Show 18 moreShow less 4.1+dfsg-1+deb8u134.1+dfsg-1+deb8u144.1+dfsg-1+deb8u154.1+dfsg-1+deb8u164.1+dfsg-1+deb8u174.1+dfsg-1+deb8u184.1+dfsg-1+deb8u24.1+dfsg-1+deb8u34.1+dfsg-1+deb8u44.1+dfsg-1+deb8u54.1+dfsg-1+deb8u64.1+dfsg-1+deb8u74.1+dfsg-1+deb8u84.1+dfsg-1+deb8u94.1.1+dfsg-14.1.25+dfsg-1+deb8u14.1.26+dfsg-1+deb8u14.1.27+dfsg-0+deb8u1	4.1.28+dfsg-0+deb8u1
`wordpress` Debian:9 From an advisory covering 6 CVEs	before 4.7.18+dfsg-1+deb9u1, plus listed versions 4.7.5+dfsg-24.7.5+dfsg-2+deb9u14.7.5+dfsg-2+deb9u1~bpo8+14.7.5+dfsg-2+deb9u24.7.5+dfsg-2+deb9u2~bpo8+1 Show 4 moreShow less 4.7.5+dfsg-2+deb9u34.7.5+dfsg-2+deb9u44.7.5+dfsg-2+deb9u54.7.5+dfsg-2+deb9u6	4.7.18+dfsg-1+deb9u1
`wordpress` Debian:10	before 5.0.17+dfsg1-0+deb10u1, plus listed versions 5.0.10+dfsg1-0+deb10u15.0.11+dfsg1-0+deb10u15.0.12+dfsg1-0+deb10u15.0.14+dfsg1-0+deb10u15.0.15+dfsg1-0+deb10u15.0.4+dfsg1-15.0.4+dfsg1-1+deb10u15.0.4+dfsg1-1+deb10u2	5.0.17+dfsg1-0+deb10u1
`wordpress` Ubuntu:16.04:LTS	All versions, plus listed versions 4.3+dfsg-14.3.1+dfsg-14.4+dfsg-14.4.1+dfsg-14.4.2+dfsg-14.4.2+dfsg-1ubuntu1	None known
`wordpress` Ubuntu:18.04:LTS	All versions, plus listed versions 4.8.2+dfsg-24.8.3+dfsg-14.9.1+dfsg-14.9.2+dfsg-14.9.4+dfsg-14.9.5+dfsg1-1	None known

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2019-17670 is a critical vulnerability (CVSS 9.8) in Wordpress, published October 17, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.51%, the 91st percentile. Fixed in wordpress 5.2.4+dfsg1-1.

References

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