Vulnerabilities (CVE)

Filtered by vendor Opera Subscribe
Total 311 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2011-4681 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
Opera before 11.60 does not properly consider the number of . (dot) characters that conventionally exist in domain names of different top-level domains, which allows remote attackers to bypass the Same Origin Policy by leveraging access to a different domain name in the same top-level domain, as demonstrated by the .no or .uk domain.
CVE-2011-2617 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
Unspecified vulnerability in Opera before 11.50 allows remote attackers to cause a denial of service (application crash) via vectors related to selecting a text node, and closed pop-up windows, removed pop-up windows, and IFRAME elements.
CVE-2011-2630 1 Opera 1 Opera Browser 2025-04-11 4.3 MEDIUM N/A
Opera before 11.11 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 occurring after the opening of a popup of the Easy Sticky Note extension.
CVE-2012-3557 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
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 information via a crafted web site.
CVE-2011-4682 1 Opera 1 Opera Browser 2025-04-11 6.4 MEDIUM N/A
The JavaScript engine in Opera before 11.60 does not properly implement the in operator, which allows remote attackers to bypass the Same Origin Policy via vectors related to variables on different web sites.
CVE-2010-3020 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
The news-feed preview feature in Opera before 10.61 does not properly remove scripts, which allows remote attackers to force subscriptions to arbitrary feeds via crafted content.
CVE-2011-2622 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
Unspecified vulnerability in the Web Workers implementation in Opera before 11.50 allows remote attackers to cause a denial of service (application crash) via unknown vectors.
CVE-2010-2661 4 Apple, Microsoft, Opera and 1 more 4 Mac Os X, Windows, Opera Browser and 1 more 2025-04-11 4.3 MEDIUM N/A
Opera before 10.54 on Windows and Mac OS X, and before 10.60 on UNIX platforms, does not properly restrict access to the full pathname of a file selected for upload, which allows remote attackers to obtain potentially sensitive information via unspecified DOM manipulations.
CVE-2011-2631 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
The Cascading Style Sheets (CSS) implementation in Opera before 11.11 does not properly handle the column-count property, which allows remote attackers to cause a denial of service (infinite repaint loop and application hang) via a web page, as demonstrated by an unspecified Wikipedia page.
CVE-2013-1638 1 Opera 1 Opera Browser 2025-04-11 9.3 HIGH N/A
Opera before 12.13 allows remote attackers to execute arbitrary code via crafted clipPaths in an SVG document.
CVE-2010-4587 2 Microsoft, Opera 2 Windows, Opera Browser 2025-04-11 9.3 HIGH N/A
Opera before 11.00 on Windows does not properly implement the Insecure Third Party Module warning message, which might make it easier for user-assisted remote attackers to have an unspecified impact via a crafted module.
CVE-2011-2636 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
Unspecified vulnerability in Opera before 11.10 allows remote attackers to cause a denial of service (application crash) via unknown content on a web page, as demonstrated by a certain Tomato Firmware page.
CVE-2010-2665 4 Apple, Microsoft, Opera and 1 more 4 Mac Os X, Windows, Opera Browser and 1 more 2025-04-11 4.3 MEDIUM N/A
Cross-site scripting (XSS) vulnerability in Opera before 10.54 on Windows and Mac OS X, and before 10.11 on UNIX platforms, allows remote attackers to inject arbitrary web script or HTML via a data: URI, related to incorrect detection of the "opening site."
CVE-2012-6471 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
Opera before 12.12 allows remote attackers to spoof the address field via a high rate of HTTP requests.
CVE-2011-2624 1 Opera 1 Opera Browser 2025-04-11 4.3 MEDIUM N/A
Opera before 11.50 allows user-assisted remote attackers to cause a denial of service (application hang) via a large table, which is not properly handled during a print preview.
CVE-2011-2618 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
Opera before 11.50 allows remote attackers to cause a denial of service (application crash) via web script that moves a (1) AUDIO element or (2) VIDEO element between windows.
CVE-2011-1824 1 Opera 1 Opera Browser 2025-04-11 4.3 MEDIUM N/A
The VEGAOpBitmap::AddLine function in Opera before 10.61 does not properly initialize memory during processing of the SIZE attribute of a SELECT element, which allows remote attackers to trigger an invalid memory write operation, and consequently cause a denial of service (application crash) or possibly execute arbitrary code, via a large integer attribute value.
CVE-2011-2633 1 Opera 1 Opera Browser 2025-04-11 5.0 MEDIUM N/A
Unspecified vulnerability in Opera before 11.11 allows remote attackers to cause a denial of service (application crash) via vectors involving a Certificate Revocation List (CRL) file, as demonstrated by the multicert-ca-02.crl file.
CVE-2010-5068 1 Opera 1 Opera Browser 2025-04-11 4.3 MEDIUM N/A
The Cascading Style Sheets (CSS) implementation in Opera 10.5 does not properly handle the :visited pseudo-class, which allows remote attackers to obtain sensitive information about visited web pages via a crafted HTML document, a related issue to CVE-2010-2264.
CVE-2011-3388 1 Opera 1 Opera Browser 2025-04-11 4.3 MEDIUM N/A
Opera before 11.51 allows remote attackers to cause an insecure site to appear secure or trusted via unspecified actions related to Extended Validation and loading content from trusted sources in an unspecified sequence that causes the address field and page information dialog to contain security information based on the trusted site, instead of the insecure site.