{"id":"CVE-2021-33501","aliases":["EUVD-2021-20202","GHSA-cmv7-rp2h-mx5q"],"status":"published","title":"Overwolf Client 0.169.0.22 allows XSS, with resultant Remote Code Execution, via an overwolfstore...","description":"Overwolf Client 0.169.0.22 allows XSS, with resultant Remote Code Execution, via an overwolfstore:// URL.","severity":{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.07912,"percentile":0.94767,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-07-19T11:37:24Z","modified":"2026-06-17T03:54:41Z","products":[{"vendor":"overwolf","product":"overwolf"}],"references":[{"url":"https://www.overwolf.com","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"https://swordbytes.com/blog/security-advisory-overwolf-1-click-remote-code-execution-cve-2021-33501/","tags":["x_refsource_MISC","x_transferred","Exploit","Vendor Advisory"]},{"url":"https://github.com/swordbytes/Advisories/blob/master/2021/Advisory_CVE-2021-33501.pdf","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33501"},{"url":"https://github.com/advisories/GHSA-cmv7-rp2h-mx5q"}],"sources":{"cve":[{"id":"CVE-2021-33501","description":"Overwolf Client 0.169.0.22 allows XSS, with resultant Remote Code Execution, via an overwolfstore:// URL.","status":"published","published":"2021-07-19T11:37:24Z","modified":"2024-08-03T23:50:42.974Z","updated_at":"2026-11-02T14:33:10.204494Z"}],"euvd":[{"id":"EUVD-2021-20202","description":"Overwolf Client 0.169.0.22 allows XSS, with resultant Remote Code Execution, via an overwolfstore:// URL.","status":"published","published":"2021-07-19T11:37:24Z","modified":"2024-08-03T23:50:42Z","updated_at":"2026-11-03T03:24:34.304953Z"}],"ghsa":[{"id":"GHSA-cmv7-rp2h-mx5q","title":"Overwolf Client 0.169.0.22 allows XSS, with resultant Remote Code Execution, via an overwolfstore...","description":"Overwolf Client 0.169.0.22 allows XSS, with resultant Remote Code Execution, via an overwolfstore:// URL.","status":"published","published":"2022-05-24T19:08:24Z","modified":"2023-01-30T05:00:53Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:17.249643Z"}],"nvd":[{"id":"CVE-2021-33501","description":"Overwolf Client 0.169.0.22 allows XSS, with resultant Remote Code Execution, via an overwolfstore:// URL.","status":"published","published":"2021-07-19T12:15:08.217Z","modified":"2026-06-17T03:54:41.167Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:55.747384Z"}]}}