Medium (5.3) in payflex payment gateway. EPSS 0.4% chance of exploitation in the next 30 days.
The Payflex Payment Gateway plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the payment_callback() function in all versions up to, and including, 2.5.0. This makes it possible for unauthenticated attackers to update the status of orders, which can potentially lead to revenue loss.
Severity
CVSS 3.1
5.3 medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
EPSS
0.4% chance of exploitation in the next 30 days; higher than 34% of CVEs (scores of 2026-10-31)