Paid Memberships Pro - SQLi (CVE-2023-23488)

CVE-2023-23488 is a vulnerability in the Paid Memberships Pro plugin for WordPress that exposes sites to unauthenticated SQL injection through the plugin's order management REST endpoint.

CrowdSec has been tracking this vulnerability and its exploits since 14th of May 2024.

Data from the CrowdSec community indicates that exploitation of CVE-2023-23488 is highly selective and intelligence-driven. Threat actors use advanced reconnaissance and carefully choose their targets, often as part of sophisticated campaigns or advanced persistent threat operations. CrowdSec network telemetry also shows that exploitation of CVE-2023-23488 has significantly declined over the past week. Attack volumes are well below the long-term average, suggesting attackers are rapidly losing interest. The vulnerability appears to be falling out of active use across most threat landscapes.

Exploitation typically targets the /pmpro/v1/order API route in vulnerable WordPress installations.