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Opera

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308 CVEs • 7 products

Products (7)

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CVEs (308)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
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.
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 crash) via a crafted web page that is not properly handled during a reload, as demonstrated by a "multiple origin ca...Show more
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 a "multiple origin camera test" page.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jun 14, 2012
N/A· v4
N/A· v3
10.0 HIGH· v2
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) via a crafted string.
1Opera
1Opera Browser
Apr 29, 2026
Jun 14, 2012
N/A· v4
N/A· v3
4.3 MEDIUM· v2
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 detecting and preventin...Show more
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 detecting and preventing attempts to load a different web page.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jun 14, 2012
N/A· v4
N/A· v3
10.0 HIGH· v2
Unspecified vulnerability in Opera before 12.00 on Mac OS X has unknown impact and attack vectors, related to a "moderate severity issue."
1Opera
1Opera Browser
Apr 29, 2026
Jun 14, 2012
N/A· v4
N/A· v3
2.6 LOW· v2
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 to conduct spoofing a...Show more
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 to conduct spoofing attacks via vectors involving navigation, reloads, and redirects.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jun 14, 2012
N/A· v4
N/A· v3
5.0 MEDIUM· v2
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 s...Show more
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.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jun 14, 2012
N/A· v4
N/A· v3
9.3 HIGH· v2
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 scripti...Show more
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.Show less
1Opera
1Opera Browser
Apr 29, 2026
Jun 14, 2012
N/A· v4
N/A· v3
7.6 HIGH· v2
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 or execute arbitrary...Show more
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 or execute arbitrary code via a crafted web site, related to a "hidden keyboard navigation" issue.Show less