Unrestricted file upload vulnerability in the Files plugin in ProjectPier 0.88 and earlier allows remote authenticated users to execute arbitrary PHP code by uploading a file with an executable extension, then accessing it via a direct request to the file in the tmp directory under the document root.
Severity
CVSS 3.0
8.8 high
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS
1.2% chance of exploitation in the next 30 days; higher than 67% of CVEs (scores of 2026-10-31)