Calendar functionality in Schoolbox application
before version 23.1.3 is vulnerable to stored cross-site scripting
allowing authenticated attacker to perform security actions in the
context of the affected users.
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
0.4% chance of exploitation in the next 30 days; higher than 30% of CVEs (scores of 2026-10-31)