{"id":"CVE-2012-3556","aliases":["EUVD-2012-3503","GHSA-cv79-6mrh-257r"],"status":"published","title":"Opera before 11.65 does not properly restrict the opening of a pop-up window in response to the...","description":"Opera before 11.65 does not properly restrict the opening of a pop-up window in response to the first click of a double-click action, which makes it easier for user-assisted remote attackers to conduct cross-site scripting (XSS) attacks or execute arbitrary code via a crafted web site.","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":"2026-11-07","score":0.03659,"percentile":0.89694,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2012-06-14T19:00:00Z","modified":"2026-06-16T23:43:27Z","products":[{"vendor":"opera","product":"opera_browser"}],"references":[{"url":"http://www.opera.com/docs/changelogs/unix/1200/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.opera.com/support/kb/view/1020/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.opera.com/docs/changelogs/mac/1165/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.opera.com/docs/changelogs/mac/1200/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.opera.com/docs/changelogs/windows/1200/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-3556"},{"url":"http://www.opera.com/docs/changelogs/mac/1165"},{"url":"http://www.opera.com/docs/changelogs/mac/1200"},{"url":"http://www.opera.com/docs/changelogs/unix/1200"},{"url":"http://www.opera.com/docs/changelogs/windows/1200"},{"url":"http://www.opera.com/support/kb/view/1020"},{"url":"https://github.com/advisories/GHSA-cv79-6mrh-257r"}],"sources":{"cve":[{"id":"CVE-2012-3556","description":"Opera before 11.65 does not properly restrict the opening of a pop-up window in response to the first click of a double-click action, which makes it easier for user-assisted remote attackers to conduct cross-site scripting (XSS) attacks or execute arbitrary code via a crafted web site.","status":"published","published":"2012-06-14T19:00:00Z","modified":"2024-09-17T00:42:05.073Z","updated_at":"2026-11-02T14:34:50.615647Z"}],"euvd":[{"id":"EUVD-2012-3503","description":"Opera before 11.65 does not properly restrict the opening of a pop-up window in response to the first click of a double-click action, which makes it easier for user-assisted remote attackers to conduct cross-site scripting (XSS) attacks or execute arbitrary code via a crafted web site.","status":"published","published":"2012-06-14T19:00:00Z","modified":"2024-09-17T00:42:05Z","updated_at":"2026-11-03T00:28:56.465986Z"}],"ghsa":[{"id":"GHSA-cv79-6mrh-257r","title":"Opera before 11.65 does not properly restrict the opening of a pop-up window in response to the...","description":"Opera before 11.65 does not properly restrict the opening of a pop-up window in response to the first click of a double-click action, which makes it easier for user-assisted remote attackers to conduct cross-site scripting (XSS) attacks or execute arbitrary code via a crafted web site.","status":"published","published":"2022-05-17T05:28:35Z","modified":"2025-04-11T03:59:27Z","cwes":["CWE-20"],"updated_at":"2026-11-02T15:01:11.088321Z"}],"nvd":[{"id":"CVE-2012-3556","description":"Opera before 11.65 does not properly restrict the opening of a pop-up window in response to the first click of a double-click action, which makes it easier for user-assisted remote attackers to conduct cross-site scripting (XSS) attacks or execute arbitrary code via a crafted web site.","status":"published","published":"2012-06-14T19:55:00.953Z","modified":"2026-06-16T23:43:27.933Z","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-20"],"updated_at":"2026-11-02T14:02:14.336529Z"}]}}