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Opera Browser

opera_browser

Vendor: Opera • 282 CVEs

CVEs (282)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Opera
1Opera Browser
Apr 29, 2026
Jan 2, 2013
N/A· v4
N/A· v3
4.3 MEDIUM· v2
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 crafted web site, as exploi...Show more
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 crafted web site, as exploited in the wild in November 2012.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jan 2, 2013
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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 as the fill pattern...Show more
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 as the fill pattern for a canvas.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jan 2, 2013
N/A· v4
N/A· v3
9.3 HIGH· v2
Opera before 12.10 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a malformed SVG image.
1Opera
1Opera Browser
Apr 29, 2026
Jan 2, 2013
N/A· v4
N/A· v3
4.3 MEDIUM· v2
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 objects in documents...Show more
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 objects in documents that have different origins.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jan 2, 2013
N/A· v4
N/A· v3
4.3 MEDIUM· v2
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 loading of data: URL...Show more
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 loading of data: URLs.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jan 2, 2013
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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.
1Opera
1Opera Browser
Apr 29, 2026
Jan 2, 2013
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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 causing a failure of a si...Show more
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 causing a failure of a single checking service.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jan 2, 2013
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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.
1Opera
1Opera Browser
Apr 29, 2026
Aug 30, 2012
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Opera before 11.60 allows remote attackers to spoof the address bar via unspecified homograph characters, a different vulnerability than CVE-2010-2660.
1Opera
1Opera Browser
Apr 29, 2026
Aug 6, 2012
N/A· v4
N/A· v3
4.3 MEDIUM· v2
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.
1Opera
1Opera Browser
Apr 29, 2026
Aug 6, 2012
N/A· v4
N/A· v3
10.0 HIGH· v2
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."
1Opera
1Opera Browser
Apr 29, 2026
Aug 6, 2012
N/A· v4
N/A· v3
4.3 MEDIUM· v2
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 cross-site scripting (...Show more
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 cross-site scripting (XSS) protection mechanisms via a crafted HTML document.Show less
1Opera
1Opera Browser
Apr 29, 2026
Aug 6, 2012
N/A· v4
N/A· v3
6.8 MEDIUM· v2
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 small window for the d...Show more
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 small window for the download dialog, a different vulnerability than CVE-2012-1924.Show less
1Opera
1Opera Browser
Apr 29, 2026
Aug 6, 2012
N/A· v4
N/A· v3
4.3 MEDIUM· v2
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 attackers to conduct cr...Show more
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 attackers to conduct cross-site scripting (XSS) attacks via a crafted document.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jun 14, 2012
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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.
1Opera
1Opera Browser
Apr 29, 2026
Jun 14, 2012
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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.
1Opera
1Opera Browser
Apr 29, 2026
Jun 14, 2012
N/A· v4
N/A· v3
4.3 MEDIUM· v2
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.
1Opera
1Opera Browser
Apr 29, 2026
Jun 14, 2012
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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."
1Opera
1Opera Browser
Apr 29, 2026
Jun 14, 2012
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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 element.
1Opera
1Opera Browser
Apr 29, 2026
Jun 14, 2012
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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.