Invision Power Board before 3.3.1 fails to sanitize user-supplied input which could allow remote attackers to obtain sensitive information or execute arbitrary code by uploading a malicious file.
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
7.4% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)