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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (4.51%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 4.51% probability · 91th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-918
- Affected
- wordpress/wordpress · debian/debian linux
- Source
- cve@mitre.org
EPSS 4.5% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
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
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.