PivotX 2.3.11 allows remote authenticated Advanced users to execute arbitrary PHP code by performing an upload with a safe file extension (such as .jpg) and then invoking the duplicate function to change to the .php extension.
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
1.5% chance of exploitation in the next 30 days; higher than 73% of CVEs (scores of 2026-10-31)