Critical (9.1) in moodle moodle. EPSS 1.1% chance of exploitation in the next 30 days.
A vulnerability was found in Moodle versions 3.7 before 3.7.3, 3.6 before 3.6.7, 3.5 before 3.5.9 and earlier. OAuth 2 providers who do not verify users' email address changes require additional verification during sign-up to reduce the risk of account compromise.
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
1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)