CVE-2021-33501: Overwolf

Critical severity, CVSS 9.6. EPSS: 7.9% chance of exploitation in the next 30 days.

Overwolf Client 0.169.0.22 allows XSS, with resultant Remote Code Execution, via an overwolfstore:// URL.

Affected products

• Overwolf Overwolf: version 0.169.0.22 only

Published 2021-07-19. Last modified 2026-06-17.