{"id":"CVE-1999-0347","aliases":["EUVD-1999-0347","GHSA-mpqm-r86r-845w"],"status":"published","title":"Internet Explorer 4.01 allows remote attackers to read local files and spoof web pages via a \"%01...","description":"Internet Explorer 4.01 allows remote attackers to read local files and spoof web pages via a \"%01\" character in an \"about:\" Javascript URL, which causes Internet Explorer to use the domain specified after the character.","severity":{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.07463,"percentile":0.94504,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"1999-01-26T05:00:00Z","modified":"2026-06-16T21:48:12Z","exploits":[{"source":"exploitdb","id":"EDB-19156","title":"Microsoft Internet Explorer 5.0.1 - Invalid Byte Cross-Frame Access","type":"remote","platform":"windows","date":"1999-01-28","verified":true,"url":"https://www.exploit-db.com/exploits/19156"}],"references":[{"url":"http://marc.info/?l=bugtraq\u0026m=91745430007021\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://marc.info/?l=ntbugtraq\u0026m=91756771207719\u0026w=2","tags":["mailing-list","x_refsource_NTBUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-1999-0347"},{"url":"https://github.com/advisories/GHSA-mpqm-r86r-845w"}],"sources":{"cve":[{"id":"CVE-1999-0347","description":"Internet Explorer 4.01 allows remote attackers to read local files and spoof web pages via a \"%01\" character in an \"about:\" Javascript URL, which causes Internet Explorer to use the domain specified after the character.","status":"published","published":"2000-02-04T05:00:00Z","modified":"2024-08-01T16:34:51.901Z","updated_at":"2026-11-02T14:33:53.911988Z"}],"euvd":[{"id":"EUVD-1999-0347","description":"Internet Explorer 4.01 allows remote attackers to read local files and spoof web pages via a \"%01\" character in an \"about:\" Javascript URL, which causes Internet Explorer to use the domain specified after the character.","status":"published","published":"2000-02-04T05:00:00Z","modified":"2024-08-01T16:34:51Z","updated_at":"2026-11-03T03:50:47.448724Z"}],"ghsa":[{"id":"GHSA-mpqm-r86r-845w","title":"Internet Explorer 4.01 allows remote attackers to read local files and spoof web pages via a \"%01...","description":"Internet Explorer 4.01 allows remote attackers to read local files and spoof web pages via a \"%01\" character in an \"about:\" Javascript URL, which causes Internet Explorer to use the domain specified after the character.","status":"published","published":"2022-04-30T18:10:26Z","modified":"2023-01-30T05:04:19Z","updated_at":"2026-11-02T14:47:01.271351Z"}],"nvd":[{"id":"CVE-1999-0347","description":"Internet Explorer 4.01 allows remote attackers to read local files and spoof web pages via a \"%01\" character in an \"about:\" Javascript URL, which causes Internet Explorer to use the domain specified after the character.","status":"published","published":"1999-01-26T05:00:00Z","modified":"2026-06-16T21:48:12.11Z","cvss":[{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T13:58:30.236077Z"}]}}