Critical (9.8). EPSS 5.2% chance of exploitation in the next 30 days.
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.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
5.2% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)