Critical (9.1) in mesbook mesbook. EPSS 0.5% chance of exploitation in the next 30 days.
Incorrect Provision of Specified Functionality vulnerability in MESbook 20221021.03 version. An unauthenticated remote attacker can register user accounts without being authenticated from the route "/account/Register/" and in the parameters "UserName=<RANDOMUSER>&Password=<PASSWORD>&ConfirmPassword=<PASSWORD-REPEAT>".
Severity
CVSS 3.1
9.1 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS
0.5% chance of exploitation in the next 30 days; higher than 45% of CVEs (scores of 2026-10-31)