High (8.8) in os4ed opensis. EPSS 0.4% chance of exploitation in the next 30 days.
OpenSIS Classic Community Edition version 9.0 lacks cross-site request forgery (CSRF) protection throughout the whole app. This may allow an attacker to trick an authenticated user into performing any kind of state changing request.
Severity
CVSS 3.1
8.8 high
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.4% chance of exploitation in the next 30 days; higher than 30% of CVEs (scores of 2026-11-01)