The InfiniteWP Client plugin before 1.9.4.5 for WordPress has a missing authorization check in iwp_mmb_set_request in init.php. Any attacker who knows the username of an administrator can log in.
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
88% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)