{"id":"CVE-2010-4044","aliases":["EUVD-2010-4020","GHSA-867v-w3xj-wvq4"],"status":"published","title":"Opera before 10.63 does not ensure that the portion of a URL shown in the Address Bar contains...","description":"Opera before 10.63 does not ensure that the portion of a URL shown in the Address Bar contains the beginning of the URL, which allows remote attackers to spoof URLs by changing a window's size.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01952,"percentile":0.80389,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2010-10-21T18:12:00Z","modified":"2026-06-16T23:24:02Z","products":[{"vendor":"opera","product":"opera_browser"}],"references":[{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A12135","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://www.opera.com/support/kb/view/972/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://securitytracker.com/id?1024570","tags":["vdb-entry","x_refsource_SECTRACK","x_transferred"]},{"url":"http://www.opera.com/docs/changelogs/mac/1063/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://secunia.com/advisories/41740","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory"]},{"url":"http://www.opera.com/docs/changelogs/unix/1063/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.opera.com/docs/changelogs/windows/1063/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-4044"},{"url":"http://www.opera.com/docs/changelogs/mac/1063"},{"url":"http://www.opera.com/docs/changelogs/unix/1063"},{"url":"http://www.opera.com/docs/changelogs/windows/1063"},{"url":"http://www.opera.com/support/kb/view/972"},{"url":"https://github.com/advisories/GHSA-867v-w3xj-wvq4"}],"sources":{"cve":[{"id":"CVE-2010-4044","description":"Opera before 10.63 does not ensure that the portion of a URL shown in the Address Bar contains the beginning of the URL, which allows remote attackers to spoof URLs by changing a window's size.","status":"published","published":"2010-10-21T18:12:00Z","modified":"2024-08-07T03:34:36.751Z","updated_at":"2026-11-02T14:33:28.50039Z"}],"euvd":[{"id":"EUVD-2010-4020","description":"Opera before 10.63 does not ensure that the portion of a URL shown in the Address Bar contains the beginning of the URL, which allows remote attackers to spoof URLs by changing a window's size.","status":"published","published":"2010-10-21T18:12:00Z","modified":"2024-08-07T03:34:36Z","updated_at":"2026-11-03T01:39:31.987488Z"}],"ghsa":[{"id":"GHSA-867v-w3xj-wvq4","title":"Opera before 10.63 does not ensure that the portion of a URL shown in the Address Bar contains...","description":"Opera before 10.63 does not ensure that the portion of a URL shown in the Address Bar contains the beginning of the URL, which allows remote attackers to spoof URLs by changing a window's size.","status":"published","published":"2022-05-17T01:03:28Z","modified":"2025-04-11T03:40:37Z","cwes":["CWE-20"],"updated_at":"2026-11-02T15:01:06.818128Z"}],"nvd":[{"id":"CVE-2010-4044","description":"Opera before 10.63 does not ensure that the portion of a URL shown in the Address Bar contains the beginning of the URL, which allows remote attackers to spoof URLs by changing a window's size.","status":"published","published":"2010-10-21T19:00:05.147Z","modified":"2026-06-16T23:24:02.737Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:01:57.065463Z"}]}}