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 data also reveals a clear uptick in attacks involving CVE-2023-23488 over the past week. Activity is above the usual baseline, suggesting growing attention from attackers. This may reflect rising awareness, recent exploit releases, or expanded targeting efforts.

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