A vulnerability in GMS allow unauthenticated user to SQL injection in Webservice module. This vulnerability affected GMS versions GMS 8.4, 8.5, 8.6, 8.7, 9.0 and 9.1.
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
1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)