Opera

CVE-2021-23253 Jan 11, 16:15 MEDIUM This Month

Opera Mini for Android below 53.1 displays URL left-aligned in the address field. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

CVE-2020-6159 Dec 23, 16:15 MEDIUM This Month

URLs using “javascript:” have the protocol removed when pasted into the address bar to protect users from cross-site scripting (XSS) attacks, but in certain circumstances this removal was not. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

CVE-2020-6157 Nov 13, 20:15 MEDIUM This Month

Opera Touch for iOS before version 2.4.5 is vulnerable to an address bar spoofing attack. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

CVE-2019-19788 Dec 18, 22:15 MEDIUM This Month

Opera for Android before 54.0.2669.49432 is vulnerable to a sandboxed cross-origin iframe bypass attack. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.

CVE-2019-18624 Oct 29, 19:15 CRITICAL POC Act Now

Opera Mini for Android allows attackers to bypass intended restrictions on .apk file download/installation via an RTLO (aka Right to Left Override) approach, as demonstrated by misinterpretation of. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

CVE-2019-13607 Jul 18, 15:15 MEDIUM POC This Month

The Opera Mini application through 16.0.14 for iOS has a UXSS vulnerability that can be triggered by performing navigation to a javascript: URL. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

CVE-2018-6608 Mar 28, 21:29 MEDIUM This Month

In the WebRTC component in Opera 51.0.2830.55, after visiting a web site that attempts to gather complete client information (such as https://ip.voidsec.com), the browser can disclose a private IP. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

CVE-2016-4075 Apr 21, 02:59 MEDIUM POC This Month

Opera Mini 13 and Opera Stable 36 allow remote attackers to spoof the displayed URL via a crafted HTML document, related to the about:blank URL. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

CVE-2016-6908 Jan 26, 15:59 MEDIUM This Month

Characters from languages are such as Arabic, Hebrew are displayed from RTL (Right To Left) order in Opera 37.0.2192.105088 for Android, due to mishandling of several unicode characters such as. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

CVE-2016-7153 Sep 06, 10:59 MEDIUM This Month

The HTTP/2 protocol does not consider the role of the TCP congestion window in providing information about content length, which makes it easier for remote attackers to obtain cleartext data by. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

CVE-2016-7152 Sep 06, 10:59 MEDIUM This Month

The HTTPS protocol does not consider the role of the TCP congestion window in providing information about content length, which makes it easier for remote attackers to obtain cleartext data by. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

CVE-2016-5101 Jun 29, 14:10 HIGH This Week

Unspecified vulnerability in Opera Mail before 2016-02-16 on Windows allows user-assisted remote attackers to execute arbitrary code via a crafted e-mail message. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

CVE-2015-4000 May 21, 00:59 LOW POC PATCH THREAT Monitor

The TLS protocol 1.2 and earlier, when a DHE_EXPORT ciphersuite is enabled on a server but not on a client, does not properly convey a DHE_EXPORT choice, which allows man-in-the-middle attackers to. Rated low severity (CVSS 3.7), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and EPSS exploitation probability 93.7%.

CVE-2014-1870 Feb 06, 23:55 MEDIUM This Month

Opera before 19 on Mac OS X allows user-assisted remote attackers to spoof the address bar via vectors involving a drag-and-drop operation. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2014-0815 Feb 06, 22:55 MEDIUM This Month

The intent: URL implementation in Opera before 18 on Android allows attackers to read local files by leveraging an interaction error, as demonstrated by reading stored cookies. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2013-4705 Sep 13, 14:10 MEDIUM This Month

Cross-site scripting (XSS) vulnerability in Opera before 15.00 allows remote attackers to inject arbitrary web script or HTML by leveraging UTF-8 encoding. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2013-3211 Apr 19, 11:44 CRITICAL Act Now

Unspecified vulnerability in Opera before 12.15 has unknown impact and attack vectors, related to a "moderately severe issue.". Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

CVE-2013-3210 Apr 19, 11:44 MEDIUM This Month

Opera before 12.15 does not properly block top-level domains in Set-Cookie headers, which allows remote attackers to obtain sensitive information by leveraging control of a different web site in the. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

CVE-2013-1618 Feb 08, 19:55 MEDIUM This Month

The TLS implementation in Opera before 12.13 does not properly consider timing side-channel attacks on a MAC check operation during the processing of malformed CBC padding, which allows remote. Rated medium severity (CVSS 4.0), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2013-1639 Feb 08, 11:58 MEDIUM This Month

Opera before 12.13 does not send CORS preflight requests in all required cases, which allows remote attackers to bypass a CSRF protection mechanism via a crafted web site that triggers a CORS request. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2013-1638 Feb 08, 11:58 CRITICAL POC THREAT Emergency

Opera before 12.13 allows remote attackers to execute arbitrary code via crafted clipPaths in an SVG document. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. Public exploit code available and EPSS exploitation probability 25.4%.

CVE-2013-1637 Feb 08, 11:58 CRITICAL Act Now

Opera before 12.13 allows remote attackers to execute arbitrary code via vectors involving DOM events. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2012-6472 Jan 02, 11:46 MEDIUM This Month

Opera before 12.12 on UNIX uses weak permissions for the profile directory, which allows local users to obtain sensitive information by reading a (1) cache file, (2) password file, or (3). Rated medium severity (CVSS 4.6), this vulnerability is low attack complexity. No vendor patch available.

CVE-2012-6471 Jan 02, 11:46 MEDIUM This Month

Opera before 12.12 allows remote attackers to spoof the address field via a high rate of HTTP requests. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

CVE-2012-6470 Jan 02, 11:46 CRITICAL POC THREAT Emergency

Opera before 12.12 does not properly allocate memory for GIF images, which allows remote attackers to execute arbitrary code or cause a denial of service (memory overwrite) via a malformed image. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. Public exploit code available and EPSS exploitation probability 31.3%.

CVE-2012-6469 Jan 02, 11:46 MEDIUM This Month

Opera before 12.11 allows remote attackers to determine the existence of arbitrary local files via vectors involving web script in an error page. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

CVE-2012-6468 Jan 02, 11:46 CRITICAL Act Now

Heap-based buffer overflow in Opera before 12.11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a long HTTP response. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2012-6467 Jan 02, 11:46 MEDIUM POC This Month

Opera before 12.10 follows Internet shortcuts that are referenced by a (1) IMG element or (2) other inline element, which makes it easier for remote attackers to conduct phishing attacks via a. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. Public exploit code available and no vendor patch available.

CVE-2012-6466 Jan 02, 11:46 MEDIUM This Month

Opera before 12.10 does not properly handle incorrect size data in a WebP image, which allows remote attackers to obtain potentially sensitive information from process memory by using a crafted image. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

CVE-2012-6465 Jan 02, 11:46 CRITICAL Act Now

Opera before 12.10 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a malformed SVG image. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2012-6464 Jan 02, 11:46 MEDIUM This Month

Cross-site scripting (XSS) vulnerability in Opera before 12.10 allows remote attackers to inject arbitrary web script or HTML via crafted JavaScript code that overrides methods of unspecified native. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2012-6463 Jan 02, 11:46 MEDIUM This Month

Cross-site scripting (XSS) vulnerability in Opera before 12.10 allows remote attackers to inject arbitrary web script or HTML via vectors involving an unspecified sequence of loading of documents and. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2012-6462 Jan 02, 11:46 MEDIUM This Month

Opera before 12.10 does not properly implement the Cross-Origin Resource Sharing (CORS) specification, which allows remote attackers to bypass intended page-content restrictions via a crafted request. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

CVE-2012-6461 Jan 02, 11:46 MEDIUM This Month

The X.509 certificate-validation functionality in the https implementation in Opera before 12.10 allows remote attackers to trigger a false indication of successful revocation-status checking by. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

CVE-2012-6460 Jan 02, 11:46 MEDIUM This Month

Opera before 11.67 and 12.x before 12.02 allows remote attackers to cause truncation of a dialog, and possibly trigger downloading and execution of arbitrary programs, via a crafted web site. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

CVE-2012-5180 Dec 26, 17:55 MEDIUM This Month

The Opera Mobile application before 12.1 and Opera Mini application before 7.5 for Android do not properly implement the WebView class, which allows attackers to obtain sensitive information via a. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2012-4010 Aug 30, 17:55 MEDIUM This Month

Opera before 11.60 allows remote attackers to spoof the address bar via unspecified homograph characters, a different vulnerability than CVE-2010-2660. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

CVE-2012-4146 Aug 06, 16:55 MEDIUM This Month

Opera before 12.01 allows remote attackers to cause a denial of service (application crash) via a crafted web site, as demonstrated by the Lenovo "Shop now" page. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2012-4145 Aug 06, 16:55 CRITICAL Act Now

Unspecified vulnerability in Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, has unknown impact and attack vectors, related to a "low severity issue.". Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

CVE-2012-4144 Aug 06, 16:55 MEDIUM This Month

Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, does not properly escape characters in DOM elements, which makes it easier for remote attackers to bypass. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2012-4143 Aug 06, 16:55 MEDIUM This Month

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. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2012-4142 Aug 06, 16:55 MEDIUM This Month

Opera before 12.01 on Windows and UNIX, and before 11.66 and 12.x before 12.01 on Mac OS X, ignores some characters in HTML documents in unspecified circumstances, which makes it easier for remote. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2012-3568 Jun 14, 19:55 MEDIUM This Month

Opera before 12.00 Beta allows remote attackers to cause a denial of service (application crash) via crafted WebGL content, as demonstrated by a codeflow.org WebGL demo. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

CVE-2012-3567 Jun 14, 19:55 MEDIUM This Month

Opera before 12.00 Beta allows remote attackers to cause a denial of service (memory consumption or application hang) via an IFRAME element that uses the src="#" syntax to embed a parent document. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

CVE-2012-3566 Jun 14, 19:55 MEDIUM This Month

Opera before 12.00 Beta allows user-assisted remote attackers to cause a denial of service (application hang) via JavaScript code that changes a form before submission. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2012-3565 Jun 14, 19:55 MEDIUM This Month

Opera before 12.00 Beta allows remote attackers to cause a denial of service (application crash) via crafted characters in domain names, as demonstrated by "IDNA2008 tests.". Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

CVE-2012-3564 Jun 14, 19:55 MEDIUM This Month

Opera before 12.00 Beta allows remote attackers to cause a denial of service (application hang) via an absolutely positioned wrap=off TEXTAREA element located next to an "overflow: auto" block. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

CVE-2012-3563 Jun 14, 19:55 MEDIUM This Month

Opera before 12.00 Beta allows remote attackers to cause a denial of service (application crash) via a web page that contains invalid character encodings. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

CVE-2012-3562 Jun 14, 19:55 MEDIUM This Month

Opera before 12.00 Beta allows user-assisted remote attackers to cause a denial of service (application crash) via a crafted web page that is not properly handled during a reload, as demonstrated by. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2012-3561 Jun 14, 19:55 CRITICAL Act Now

Opera before 11.64 does not properly allocate memory for URL strings, which allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption and application crash). Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

CVE-2012-3560 Jun 14, 19:55 MEDIUM This Month

Opera before 11.65 does not ensure that the address field corresponds to the displayed web page during blocked navigation, which makes it easier for remote attackers to conduct spoofing attacks by. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2012-3559 Jun 14, 19:55 CRITICAL Act Now

Unspecified vulnerability in Opera before 12.00 on Mac OS X has unknown impact and attack vectors, related to a "moderate severity issue.". Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

CVE-2012-3558 Jun 14, 19:55 LOW Monitor

Opera before 11.65 does not ensure that the address field corresponds to the displayed web page during unusually timed changes to this field, which makes it easier for user-assisted remote attackers. Rated low severity (CVSS 2.6), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2012-3557 Jun 14, 19:55 MEDIUM This Month

Opera before 11.65 does not properly restrict the reading of JSON strings, which allows remote attackers to perform cross-domain loading of JSON resources and consequently obtain sensitive. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

CVE-2012-3556 Jun 14, 19:55 CRITICAL Act Now

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. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2012-3555 Jun 14, 19:55 HIGH This Week

Opera before 11.65 does not ensure that keyboard sequences are associated with a visible window, which makes it easier for user-assisted remote attackers to conduct cross-site scripting (XSS) attacks. Rated high severity (CVSS 7.6), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2012-1251 Jun 04, 17:55 MEDIUM This Month

Opera before 9.63 does not properly verify X.509 certificates from SSL servers, which allows man-in-the-middle attackers to spoof servers and obtain sensitive information via a crafted certificate. Rated medium severity (CVSS 5.8), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2012-1931 Mar 28, 03:22 MEDIUM This Month

Opera before 11.62 on UNIX, when used in conjunction with an unspecified printing application, allows local users to overwrite arbitrary files via a symlink attack on a temporary file during printing. Rated medium severity (CVSS 4.6), this vulnerability is low attack complexity. No vendor patch available.

CVE-2012-1930 Mar 28, 03:22 MEDIUM This Month

Opera before 11.62 on UNIX uses world-readable permissions for temporary files during printing, which allows local users to obtain sensitive information by reading these files. Rated medium severity (CVSS 4.6), this vulnerability is low attack complexity. No vendor patch available.

CVE-2012-1929 Mar 28, 03:22 MEDIUM This Month

Opera before 11.62 on Mac OS X allows remote attackers to spoof the address field and security dialogs via crafted styling that causes page content to be displayed outside of the intended content. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

CVE-2012-1928 Mar 28, 03:22 MEDIUM This Month

Opera before 11.62 allows remote attackers to spoof the address field by triggering a page reload followed by a redirect to a different domain. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

CVE-2012-1927 Mar 28, 03:22 MEDIUM This Month

Opera before 11.62 allows remote attackers to spoof the address field by triggering the launch of a dialog window associated with a different domain. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

CVE-2012-1926 Mar 28, 03:22 MEDIUM This Month

Opera before 11.62 allows remote attackers to bypass the Same Origin Policy via the (1) history.pushState and (2) history.replaceState functions in conjunction with cross-domain frames, leading to. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

CVE-2012-1925 Mar 28, 03:22 MEDIUM This Month

Opera before 11.62 does not ensure that a dialog window is placed on top of content windows, which makes it easier for user-assisted remote attackers to trick users into downloading and executing. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2012-1924 Mar 28, 03:22 MEDIUM This Month

Opera before 11.62 allows user-assisted remote attackers to trick users into downloading and executing arbitrary files via a small window for the download dialog. Rated medium severity (CVSS 6.8), this vulnerability is remotely exploitable. No vendor patch available.

CVE-2012-1003 Feb 07, 04:09 MEDIUM POC This Month

Multiple integer overflows in Opera 11.60 and earlier allow remote attackers to cause a denial of service (application crash) via a large integer argument to the (1) Int32Array, (2) Float32Array, (3). Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.