CloudSchool v3.0.1 is vulnerable to Cross Site Scripting (XSS). A normal user can steal session cookies of the admin users through notification received by the admin user.
Severity
CVSS 3.1
5.4 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
EPSS
0.6% chance of exploitation in the next 30 days; higher than 48% of CVEs (scores of 2026-10-31)