CVE-2022-0760: Quantumcloud Simple Link Directory

Critical severity, CVSS 9.8. EPSS: 10.8% chance of exploitation in the next 30 days.

The Simple Link Directory WordPress plugin before 7.7.2 does not validate and escape the post_id parameter before using it in a SQL statement via the qcopd_upvote_action AJAX action (available to unauthenticated and authenticated users), leading to an unauthenticated SQL Injection

Affected products

• Quantumcloud Simple Link Directory: before 7.7.2 (fixed in 7.7.2)

Published 2022-03-21. Last modified 2026-06-17.