{"id":"CVE-2024-1563","aliases":["EUVD-2024-17307","GHSA-783m-f4c2-pgqr"],"status":"published","title":"An attacker could have executed unauthorized scripts on top origin sites using a JavaScript URI...","description":"An attacker could have executed unauthorized scripts on top origin sites using a JavaScript URI when opening an external URL with a custom Firefox scheme and a timeout race condition. This vulnerability affects Focus for iOS \u003c 122.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00387,"percentile":0.33073,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-367"],"published":"2024-02-22T14:56:42Z","modified":"2026-10-28T02:30:34Z","products":[{"vendor":"mozilla","product":"firefox_focus"},{"vendor":"mozilla","product":"focus for ios"}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1863831","tags":["x_transferred","Issue Tracking","report"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2024-09/","tags":["x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-1563","tags":["advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2024-09"},{"url":"https://github.com/advisories/GHSA-783m-f4c2-pgqr"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/1xxx/CVE-2024-1563.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2024-1563","description":"An attacker could have executed unauthorized scripts on top origin sites using a JavaScript URI when opening an external URL with a custom Firefox scheme and a timeout race condition. This vulnerability affects Focus for iOS \u003c 122.","status":"published","published":"2024-02-22T14:56:42.888Z","modified":"2025-03-27T15:05:38.068Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:34:18.259965Z"}],"euvd":[{"id":"EUVD-2024-17307","description":"An attacker could have executed unauthorized scripts on top origin sites using a JavaScript URI when opening an external URL with a custom Firefox scheme and a timeout race condition. This vulnerability affects Focus for iOS \u003c 122.","status":"published","published":"2024-02-22T14:56:42Z","modified":"2025-03-27T15:05:38Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:52:49.499517Z"}],"ghsa":[{"id":"GHSA-783m-f4c2-pgqr","title":"An attacker could have executed unauthorized scripts on top origin sites using a JavaScript URI...","description":"An attacker could have executed unauthorized scripts on top origin sites using a JavaScript URI when opening an external URL with a custom Firefox scheme and a timeout race condition. This vulnerability affects Focus for iOS \u003c 122.","status":"published","published":"2024-02-22T15:30:39Z","modified":"2025-01-28T18:32:23Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:59:42.234766Z"}],"nvd":[{"id":"CVE-2024-1563","description":"An attacker could have executed unauthorized scripts on top origin sites using a JavaScript URI when opening an external URL with a custom Firefox scheme and a timeout race condition. This vulnerability affects Focus for iOS \u003c 122.","status":"published","published":"2024-02-22T15:15:08.48Z","modified":"2026-06-17T07:04:30.71Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-367"],"updated_at":"2026-11-02T14:09:37.655131Z"}],"osv":[{"id":"CVE-2024-1563","description":"An attacker could have executed unauthorized scripts on top origin sites using a JavaScript URI when opening an external URL with a custom Firefox scheme and a timeout race condition. This vulnerability affects Focus for iOS \u003c 122.","status":"published","published":"2024-02-22T14:56:42.888Z","modified":"2026-10-28T02:30:34.574721298Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:37.917085Z"}]}}