What’s Vulnerable › Vulnerabilities

CVE-2021-33501

• Severity: critical (CVSS 9.6 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-07-19 · updated 2026-06-17
• Weakness: CWE-79

Description

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

Affected products

• Overwolf: 0.169.0.22

References

• https://github.com/swordbytes/Advisories/blob/master/2021/Advisory_CVE-2021-33501.pdf
• https://swordbytes.com/blog/security-advisory-overwolf-1-click-remote-code-execution-cve-2021-33501/
• https://www.overwolf.com
• https://github.com/swordbytes/Advisories/blob/master/2021/Advisory_CVE-2021-33501.pdf
• https://swordbytes.com/blog/security-advisory-overwolf-1-click-remote-code-execution-cve-2021-33501/
• https://www.overwolf.com

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