CVE-2022-0659: Sync Qcloud Cos Project Sync Qcloud Cos

Medium severity, CVSS 4.8. EPSS: 0.6% chance of exploitation in the next 30 days.

The Sync QCloud COS WordPress plugin before 2.0.1 does not escape some of its settings, allowing high privilege users such as admin to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

Affected products

• Sync Qcloud Cos Project Sync Qcloud Cos: before 2.0.1 (fixed in 2.0.1)

Published 2022-03-14. Last modified 2026-06-17.