{"id":"CVE-2021-1748","aliases":["EUVD-2021-7212","GHSA-qm4j-qr33-h42h"],"status":"published","title":"A validation issue was addressed with improved input sanitization. This issue is fixed in tvOS 14...","description":"A validation issue was addressed with improved input sanitization. This issue is fixed in tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted URL may lead to arbitrary javascript code execution.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.02738,"percentile":0.86257,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-20"],"published":"2021-04-02T17:49:47Z","modified":"2026-06-17T03:32:29Z","exploits":[{"source":"pocgithub","id":"Ivanhoe76zzzz/itmsBlock","title":"Ivanhoe76zzzz/itmsBlock","date":"2021-09-01","url":"https://github.com/Ivanhoe76zzzz/itmsBlock"}],"products":[{"vendor":"apple","product":"ios and ipados"},{"vendor":"apple","product":"ipados"},{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"tvos"},{"vendor":"apple","product":"watchos"}],"references":[{"url":"https://support.apple.com/en-us/HT212146","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT212148","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT212149","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-1748"},{"url":"https://github.com/advisories/GHSA-qm4j-qr33-h42h"}],"sources":{"cve":[{"id":"CVE-2021-1748","description":"A validation issue was addressed with improved input sanitization. This issue is fixed in tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted URL may lead to arbitrary javascript code execution.","status":"published","published":"2021-04-02T17:49:47Z","modified":"2024-08-03T16:18:11.597Z","updated_at":"2026-11-02T14:33:08.811269Z"}],"euvd":[{"id":"EUVD-2021-7212","description":"A validation issue was addressed with improved input sanitization. This issue is fixed in tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted URL may lead to arbitrary javascript code execution.","status":"published","published":"2021-04-02T17:49:47Z","modified":"2024-08-03T16:18:11Z","updated_at":"2026-11-03T03:25:15.150715Z"}],"ghsa":[{"id":"GHSA-qm4j-qr33-h42h","title":"A validation issue was addressed with improved input sanitization. This issue is fixed in tvOS 14...","description":"A validation issue was addressed with improved input sanitization. This issue is fixed in tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted URL may lead to arbitrary javascript code execution.","status":"published","published":"2022-05-24T17:46:16Z","modified":"2023-01-29T05:05:50Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:45:53.268312Z"}],"nvd":[{"id":"CVE-2021-1748","description":"A validation issue was addressed with improved input sanitization. This issue is fixed in tvOS 14.4, watchOS 7.3, iOS 14.4 and iPadOS 14.4. Processing a maliciously crafted URL may lead to arbitrary javascript code execution.","status":"published","published":"2021-04-02T18:15:19.607Z","modified":"2026-06-17T03:32:29.4Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:06:51.197859Z"}]}}