What’s Vulnerable › Vulnerabilities

CVE-2019-17669

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 5.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-10-17 · updated 2026-06-17
• Weakness: CWE-918

Description

WordPress before 5.2.4 has a Server Side Request Forgery (SSRF) vulnerability because URL validation does not consider the interpretation of a name as a series of hex characters.

Affected products

• Debian Linux: 8.0, 9.0, 10.0
• WordPress: before 5.2.4 — fixed in 5.2.4

How to fix

Upgrade to a fixed version: WordPress 5.2.4. Check the vendor advisory for mitigations.

References

• https://blog.wpscan.org/wordpress/security/release/2019/10/15/wordpress-524-security-release-breakdown.html
• https://core.trac.wordpress.org/changeset/46475
• https://github.com/WordPress/WordPress/commit/608d39faed63ea212b6c6cdf9fe2bef92e2120ea
• https://lists.debian.org/debian-lts-announce/2019/11/msg00000.html
• https://seclists.org/bugtraq/2020/Jan/8
• https://wordpress.org/news/2019/10/wordpress-5-2-4-security-release/
• https://wpvulndb.com/vulnerabilities/9912
• https://www.debian.org/security/2020/dsa-4599
• https://www.debian.org/security/2020/dsa-4677
• https://blog.wpscan.org/wordpress/security/release/2019/10/15/wordpress-524-security-release-breakdown.html
• https://core.trac.wordpress.org/changeset/46475
• https://github.com/WordPress/WordPress/commit/608d39faed63ea212b6c6cdf9fe2bef92e2120ea

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