{"id":"CVE-2012-4143","aliases":["EUVD-2012-4087","GHSA-f5qr-vmvh-c85p"],"status":"published","title":"Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X,...","description":"Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, allows user-assisted remote attackers to trick users into downloading and executing arbitrary files via a small window for the download dialog, a different vulnerability than CVE-2012-1924.","severity":{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.01309,"percentile":0.70805,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2012-08-06T16:00:00Z","modified":"2026-06-16T23:44:28Z","products":[{"vendor":"opera","product":"opera_browser"}],"references":[{"url":"http://www.opera.com/docs/changelogs/mac/1166/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.opera.com/docs/changelogs/windows/1201/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.opera.com/docs/changelogs/mac/1201/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.opera.com/docs/changelogs/unix/1201/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.opera.com/support/kb/view/1027/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-4143"},{"url":"http://www.opera.com/docs/changelogs/mac/1166"},{"url":"http://www.opera.com/docs/changelogs/mac/1201"},{"url":"http://www.opera.com/docs/changelogs/unix/1201"},{"url":"http://www.opera.com/docs/changelogs/windows/1201"},{"url":"http://www.opera.com/support/kb/view/1027"},{"url":"https://github.com/advisories/GHSA-f5qr-vmvh-c85p"}],"sources":{"cve":[{"id":"CVE-2012-4143","description":"Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, allows user-assisted remote attackers to trick users into downloading and executing arbitrary files via a small window for the download dialog, a different vulnerability than CVE-2012-1924.","status":"published","published":"2012-08-06T16:00:00Z","modified":"2024-09-17T01:20:55.856Z","updated_at":"2026-11-02T14:34:51.584538Z"}],"euvd":[{"id":"EUVD-2012-4087","description":"Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, allows user-assisted remote attackers to trick users into downloading and executing arbitrary files via a small window for the download dialog, a different vulnerability than CVE-2012-1924.","status":"published","published":"2012-08-06T16:00:00Z","modified":"2024-09-17T01:20:55Z","updated_at":"2026-11-03T00:28:50.749865Z"}],"ghsa":[{"id":"GHSA-f5qr-vmvh-c85p","title":"Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X,...","description":"Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, allows user-assisted remote attackers to trick users into downloading and executing arbitrary files via a small window for the download dialog, a different vulnerability than CVE-2012-1924.","status":"published","published":"2022-05-17T05:26:50Z","modified":"2025-04-11T04:01:17Z","cwes":["CWE-94"],"updated_at":"2026-11-02T15:01:11.561612Z"}],"nvd":[{"id":"CVE-2012-4143","description":"Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, allows user-assisted remote attackers to trick users into downloading and executing arbitrary files via a small window for the download dialog, a different vulnerability than CVE-2012-1924.","status":"published","published":"2012-08-06T16:55:07.057Z","modified":"2026-06-16T23:44:28.043Z","cvss":[{"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-94"],"updated_at":"2026-11-02T14:02:15.188652Z"}]}}