{"id":"CVE-2019-12278","aliases":["EUVD-2019-3919","GHSA-x8x9-xrq5-rgjj"],"status":"published","title":"Opera through 53 on Android allows Address Bar Spoofing. Characters from several languages are...","description":"Opera through 53 on Android allows Address Bar Spoofing. Characters from several languages are displayed in Right-to-Left order, due to mishandling of several Unicode characters. The rendering mechanism, in conjunction with the \"first strong character\" concept, may improperly operate on a numerical IP address or an alphabetic string, leading to a spoofed URL.","severity":{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00822,"percentile":0.5775,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2020-03-12T21:48:40Z","modified":"2026-06-17T02:14:21Z","products":[{"vendor":"opera","product":"opera"}],"references":[{"url":"https://help.opera.com/en/latest/security-and-privacy/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://medium.com/bugbountywriteup/opera-android-address-bar-spoofing-cve-2019-12278-9ffcfd6c508c","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-12278"},{"url":"https://github.com/advisories/GHSA-x8x9-xrq5-rgjj"}],"sources":{"cve":[{"id":"CVE-2019-12278","description":"Opera through 53 on Android allows Address Bar Spoofing. Characters from several languages are displayed in Right-to-Left order, due to mishandling of several Unicode characters. The rendering mechanism, in conjunction with the \"first strong character\" concept, may improperly operate on a numerical IP address or an alphabetic string, leading to a spoofed URL.","status":"published","published":"2020-03-12T21:48:40Z","modified":"2024-08-04T23:17:38.884Z","updated_at":"2026-11-02T14:20:24.025419Z"}],"euvd":[{"id":"EUVD-2019-3919","description":"Opera through 53 on Android allows Address Bar Spoofing. Characters from several languages are displayed in Right-to-Left order, due to mishandling of several Unicode characters. The rendering mechanism, in conjunction with the \"first strong character\" concept, may improperly operate on a numerical IP address or an alphabetic string, leading to a spoofed URL.","status":"published","published":"2020-03-12T21:48:40Z","modified":"2024-08-04T23:17:38Z","updated_at":"2026-11-03T02:40:46.843701Z"}],"ghsa":[{"id":"GHSA-x8x9-xrq5-rgjj","title":"Opera through 53 on Android allows Address Bar Spoofing. Characters from several languages are...","description":"Opera through 53 on Android allows Address Bar Spoofing. Characters from several languages are displayed in Right-to-Left order, due to mishandling of several Unicode characters. The rendering mechanism, in conjunction with the \"first strong character\" concept, may improperly operate on a numerical IP address or an alphabetic string, leading to a spoofed URL.","status":"published","published":"2022-05-24T17:11:21Z","modified":"2023-01-29T05:01:59Z","updated_at":"2026-11-02T14:44:57.695191Z"}],"nvd":[{"id":"CVE-2019-12278","description":"Opera through 53 on Android allows Address Bar Spoofing. Characters from several languages are displayed in Right-to-Left order, due to mishandling of several Unicode characters. The rendering mechanism, in conjunction with the \"first strong character\" concept, may improperly operate on a numerical IP address or an alphabetic string, leading to a spoofed URL.","status":"published","published":"2020-03-12T22:15:14.717Z","modified":"2026-06-17T02:14:21.69Z","cvss":[{"version":"3.1","score":4.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:05:45.254119Z"}]}}