High (7.7) in wwnorton inquizitive. EPSS 0.4% chance of exploitation in the next 30 days.
W. W. Norton InQuizitive through 2025-04-08 allows students to insert arbitrary records of their quiz performance into the backend, because only client-side access control exists.
Severity
CVSS 3.1
7.7 high
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N
EPSS
0.4% chance of exploitation in the next 30 days; higher than 34% of CVEs (scores of 2026-10-31)