CVE-2021-33501

CriticalCVSS 9.6/10Last modified Jun 17, 2026

Description

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

Metrics

CVSS 3.1 9.6/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://github.com/swordbytes/Advisories/blob/master/2021/Advisory_CVE-2021-33501.pdfExploit, Third Party Advisory
https://swordbytes.com/blog/security-advisory-overwolf-1-click-remote-code-execution-cve-2021-33501/Exploit, Vendor Advisory
https://www.overwolf.comProduct
https://github.com/swordbytes/Advisories/blob/master/2021/Advisory_CVE-2021-33501.pdfExploit, Third Party Advisory
https://swordbytes.com/blog/security-advisory-overwolf-1-click-remote-code-execution-cve-2021-33501/Exploit, Vendor Advisory
https://www.overwolf.comProduct

Timeline

Published: Jul 19, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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