Vulnerability in Wordpress

CVE-2022-3590

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.

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.032 (86.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-3590?
CVE-2022-3590 is a medium-severity vulnerability in Wordpress, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 5.9/10. Published 2022-12-14.
How severe is CVE-2022-3590?
Medium severity. CVSS v3 base score is 5.9 out of 10.
Is CVE-2022-3590 known to be exploited?
10 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.