CVE-2026-66047: Proper Fraction Profilepress

High severity, CVSS 8.1. EPSS: 0.9% chance of exploitation in the next 30 days.

ProfilePress (wp-user-avatar) WordPress plugin before 4.17.2 contains an unauthenticated remote code execution vulnerability that allows unauthenticated attackers to install and activate arbitrary plugins by brute-forcing a weak 32-bit connect token via the ppress_connect_process AJAX handler. Attackers can supply a caller-controlled URL through the file request parameter to trigger silent plugin installation and activation, achieving PHP code execution as the web-server user.

Affected products

• Proper Fraction Profilepress: before 4.17.2 (fixed in 4.17.2)

Published 2026-08-31. Last modified 2026-09-08.