What’s Vulnerable › Vulnerabilities

CVE-2022-3590: WP <= 6.1.1 - Unauthenticated Blind SSRF via DNS Rebinding

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-12-14 · updated 2026-06-17
• Weakness: CWE-367

Description

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 products

• WordPress: from 4.2 through 6.1.1; 4.1

References

• https://blog.sonarsource.com/wordpress-core-unauthenticated-blind-ssrf/
• https://wpscan.com/vulnerability/c8814e6e-78b3-4f63-a1d3-6906a84c1f11
• https://blog.sonarsource.com/wordpress-core-unauthenticated-blind-ssrf/
• https://wpscan.com/vulnerability/c8814e6e-78b3-4f63-a1d3-6906a84c1f11

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