CVE-2022-3590

WP <= 6.1.1 - Unauthenticated Blind SSRF via DNS Rebinding

WordPress is affected by an unauthenticated blind SSRF in the pingback feature. Because of a TOCTOU race condition between the validation checks and the HTTP request, attackers can reach internal hosts that are explicitly forbidden.

Affected

WordPress

CVSS v3.1 NVD

5.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

3.43% chance of exploitation in the next 30 days, 89th percentile

Nuclei

medium · CWE-367

Published

2022-12-14

Updated

2025-04-21

Proof-of-concept exploits (2)

• https://wpscan.com/vulnerability/c8814e6e-78b3-4f63-a1d3-6906a84c1f11
• TJouleL/WordPress-6.9.1-Blind-SSRF0★ · 2026-04-22

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2022/CVE-2022-3590.yaml

Security advisories

• https://blog.sonarsource.com/wordpress-core-unauthenticated-blind-ssrf

References

• CVE Record
• NVD entry