{"id":"CVE-2010-2666","aliases":["EUVD-2010-2670","GHSA-wqf6-gm3j-5p78"],"status":"published","title":"Opera before 10.54 on Windows and Mac OS X does not properly enforce permission requirements for...","description":"Opera before 10.54 on Windows and Mac OS X does not properly enforce permission requirements for widget filesystem access and directory selection, which allows user-assisted remote attackers to create or modify arbitrary files, and consequently execute arbitrary code, via widget File I/O operations.","severity":{"version":"2.0","score":9.3,"vector":"AV:N/AC:M/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.05039,"percentile":0.9234,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-264"],"published":"2010-07-07T18:00:00Z","modified":"2026-06-16T23:21:13Z","products":[{"vendor":"opera","product":"opera_browser"}],"references":[{"url":"http://www.opera.com/support/kb/view/962/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/40973","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11950","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://www.vupen.com/english/advisories/2010/1529","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","Vendor Advisory"]},{"url":"http://www.opera.com/docs/changelogs/mac/1054/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://secunia.com/advisories/40250","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.opera.com/docs/changelogs/windows/1054/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-2666"},{"url":"http://www.opera.com/docs/changelogs/mac/1054"},{"url":"http://www.opera.com/docs/changelogs/windows/1054"},{"url":"http://www.opera.com/support/kb/view/962"},{"url":"https://github.com/advisories/GHSA-wqf6-gm3j-5p78"}],"sources":{"cve":[{"id":"CVE-2010-2666","description":"Opera before 10.54 on Windows and Mac OS X does not properly enforce permission requirements for widget filesystem access and directory selection, which allows user-assisted remote attackers to create or modify arbitrary files, and consequently execute arbitrary code, via widget File I/O operations.","status":"published","published":"2010-07-07T18:00:00Z","modified":"2024-08-07T02:39:38.062Z","updated_at":"2026-11-02T14:33:26.665532Z"}],"euvd":[{"id":"EUVD-2010-2670","description":"Opera before 10.54 on Windows and Mac OS X does not properly enforce permission requirements for widget filesystem access and directory selection, which allows user-assisted remote attackers to create or modify arbitrary files, and consequently execute arbitrary code, via widget File I/O operations.","status":"published","published":"2010-07-07T18:00:00Z","modified":"2024-08-07T02:39:38Z","updated_at":"2026-11-03T01:39:36.905359Z"}],"ghsa":[{"id":"GHSA-wqf6-gm3j-5p78","title":"Opera before 10.54 on Windows and Mac OS X does not properly enforce permission requirements for...","description":"Opera before 10.54 on Windows and Mac OS X does not properly enforce permission requirements for widget filesystem access and directory selection, which allows user-assisted remote attackers to create or modify arbitrary files, and consequently execute arbitrary code, via widget File I/O operations.","status":"published","published":"2022-05-14T02:14:28Z","modified":"2025-04-11T03:38:03Z","updated_at":"2026-11-02T15:01:05.853744Z"}],"nvd":[{"id":"CVE-2010-2666","description":"Opera before 10.54 on Windows and Mac OS X does not properly enforce permission requirements for widget filesystem access and directory selection, which allows user-assisted remote attackers to create or modify arbitrary files, and consequently execute arbitrary code, via widget File I/O operations.","status":"published","published":"2010-07-08T12:54:47.507Z","modified":"2026-06-16T23:21:13.38Z","cvss":[{"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-264"],"updated_at":"2026-11-02T14:01:49.736647Z"}]}}