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Opera Browser

opera_browser

Vendor: Opera • 282 CVEs

CVEs (282)

CVE
VENDORS
PRODUCTS
UPDATED
PUBLISHED
CVSS
1Opera
1Opera Browser
Apr 16, 2026
Nov 22, 2005
N/A· v4
N/A· v3
7.5 HIGH· v2
Opera before 8.51 on Linux and Unix systems allows remote attackers to execute arbitrary code via shell metacharacters (backticks) in a URL that another product provides in a command line argument when launching Opera.
1Opera
1Opera Browser
Apr 16, 2026
Nov 21, 2005
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Opera Web Browser 8.50 and 8.0 through 8.0.2 allows remote attackers to spoof the URL in the status bar via the title in an image in a link to a trusted site within a form to the malicious site.
1Opera
1Opera Browser
Apr 16, 2026
Sep 26, 2005
N/A· v4
N/A· v3
10.0 HIGH· v2
Multiple unspecified vulnerabilities in Opera 8.50 on Linux and Windows have unknown impact and attack vectors, related to (1) " handling of must-revalidate cache directive for HTTPS pages" or (2) a "display issue with c...Show more
Multiple unspecified vulnerabilities in Opera 8.50 on Linux and Windows have unknown impact and attack vectors, related to (1) " handling of must-revalidate cache directive for HTTPS pages" or (2) a "display issue with cookie comment encoding."Show less
1Opera
1Opera Browser
Apr 16, 2026
Sep 22, 2005
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Unspecified "drag-and-drop vulnerability" in Opera Web Browser before 8.50 on Windows allows "unintentional file uploads."
1Opera
1Opera Browser
Apr 16, 2026
Sep 21, 2005
N/A· v4
N/A· v3
2.6 LOW· v2
Opera before 8.50 allows remote attackers to spoof the content type of files via a filename with a trailing "." (dot), which might allow remote attackers to trick users into processing dangerous content.
1Opera
1Opera Browser
Apr 16, 2026
Sep 21, 2005
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The mail client in Opera before 8.50 opens attached files from the user's cache directory without warning the user, which might allow remote attackers to inject arbitrary web script and spoof attachment filenames.
1Opera
1Opera Browser
Apr 16, 2026
Aug 1, 2005
N/A· v4
N/A· v3
5.1 MEDIUM· v2
A design error in Opera 8.01 and earlier allows user-assisted attackers to execute arbitrary code by overlaying a malicious new window above a file download dialog box, then tricking the user into double-clicking on the...Show more
A design error in Opera 8.01 and earlier allows user-assisted attackers to execute arbitrary code by overlaying a malicious new window above a file download dialog box, then tricking the user into double-clicking on the "Run" button, aka "link hijacking".Show less
1Opera
1Opera Browser
Apr 16, 2026
Aug 1, 2005
N/A· v4
N/A· v3
4.3 MEDIUM· v2
Opera 8.01 allows remote attackers to conduct cross-site scripting (XSS) attacks or modify which files are uploaded by tricking a user into dragging an image that is a "javascript:" URI.
1Opera
1Opera Browser
Apr 16, 2026
Aug 1, 2005
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Opera 8.01, when the "Arial Unicode MS" font (ARIALUNI.TTF) is installed, does not properly handle extended ASCII characters in the file download dialog box, which allows remote attackers to spoof file extensions and pos...Show more
Opera 8.01, when the "Arial Unicode MS" font (ARIALUNI.TTF) is installed, does not properly handle extended ASCII characters in the file download dialog box, which allows remote attackers to spoof file extensions and possibly trick users into executing arbitrary code.Show less
1Opera
1Opera Browser
Apr 16, 2026
Jul 19, 2005
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Opera 8.01 allows remote attackers to cause a denial of service (CPU consumption) via a crafted JPEG image, as demonstrated using random.jpg.
1Opera
1Opera Browser
Apr 16, 2026
Jul 13, 2005
N/A· v4
N/A· v3
2.6 LOW· v2
Opera 7.x and 8 before 8.01 does not clearly associate a Javascript dialog box with the web page that generated it, which allows remote attackers to spoof a dialog box from a trusted site and facilitates phishing attacks...Show more
Opera 7.x and 8 before 8.01 does not clearly associate a Javascript dialog box with the web page that generated it, which allows remote attackers to spoof a dialog box from a trusted site and facilitates phishing attacks, aka the "Dialog Origin Spoofing Vulnerability."Show less
1Opera
1Opera Browser
Apr 16, 2026
Jun 16, 2005
N/A· v4
N/A· v3
6.8 MEDIUM· v2
Cross-site scripting (XSS) vulnerability in Opera 8.0 Final Build 1095 allows remote attackers to inject arbitrary web script or HTML via "javascript:" URLs when a new window or frame is opened, which allows remote attac...Show more
Cross-site scripting (XSS) vulnerability in Opera 8.0 Final Build 1095 allows remote attackers to inject arbitrary web script or HTML via "javascript:" URLs when a new window or frame is opened, which allows remote attackers to bypass access restrictions and perform unauthorized actions on other domains.Show less
1Opera
1Opera Browser
Apr 16, 2026
Jun 16, 2005
N/A· v4
N/A· v3
7.5 HIGH· v2
The XMLHttpRequest object in Opera 8.0 Final Build 1095 allows remote attackers to bypass access restrictions and perform unauthorized actions on other domains via a redirect.
1Opera
1Opera Browser
Apr 16, 2026
May 2, 2005
N/A· v4
N/A· v3
7.2 HIGH· v2
Opera 7.54 and earlier on Gentoo Linux uses an insecure path for plugins, which could allow local users to gain privileges by inserting malicious libraries into the PORTAGE_TMPDIR (portage) temporary directory.
4Gnome
MozillaOmnigroup+1 more
5Camino
EpiphanyMozilla+2 more
Apr 16, 2026
May 2, 2005
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The International Domain Name (IDN) support in Epiphany allows remote attackers to spoof domain names using punycode encoded domain names that are decoded in URLs and SSL certificates in a way that uses homograph charact...Show more
The International Domain Name (IDN) support in Epiphany allows remote attackers to spoof domain names using punycode encoded domain names that are decoded in URLs and SSL certificates in a way that uses homograph characters from other character sets, which facilitates phishing attacks.Show less
1Opera
1Opera Browser
Apr 16, 2026
May 2, 2005
N/A· v4
N/A· v3
5.0 MEDIUM· v2
The International Domain Name (IDN) support in Opera 7.54 allows remote attackers to spoof domain names using punycode encoded domain names that are decoded in URLs and SSL certificates in a way that uses homograph chara...Show more
The International Domain Name (IDN) support in Opera 7.54 allows remote attackers to spoof domain names using punycode encoded domain names that are decoded in URLs and SSL certificates in a way that uses homograph characters from other character sets, which facilitates phishing attacks.Show less
1Opera
1Opera Browser
Apr 16, 2026
Apr 14, 2005
N/A· v4
N/A· v3
7.5 HIGH· v2
Opera 8 Beta 3, when using first-generation vetted digital certificates, displays the Organizational information of an SSL certificate, which is easily spoofed and can facilitate phishing attacks.
4Mozilla
OmnigroupOpera+1 more
6Camino
FirefoxMozilla+3 more
Apr 16, 2026
Feb 8, 2005
N/A· v4
N/A· v3
7.5 HIGH· v2
The International Domain Name (IDN) support in Firefox 1.0, Camino .8.5, and Mozilla before 1.7.6 allows remote attackers to spoof domain names using punycode encoded domain names that are decoded in URLs and SSL certifi...Show more
The International Domain Name (IDN) support in Firefox 1.0, Camino .8.5, and Mozilla before 1.7.6 allows remote attackers to spoof domain names using punycode encoded domain names that are decoded in URLs and SSL certificates in a way that uses homograph characters from other character sets, which facilitates phishing attacks.Show less
1Opera
1Opera Browser
Apr 16, 2026
Jan 12, 2005
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Opera 7.54 and earlier does not properly validate base64 encoded binary data in a data: (RFC 2397) URL, which causes the URL to be obscured in a download dialog, which may allow remote attackers to trick users into execu...Show more
Opera 7.54 and earlier does not properly validate base64 encoded binary data in a data: (RFC 2397) URL, which causes the URL to be obscured in a download dialog, which may allow remote attackers to trick users into executing arbitrary code.Show less
1Opera
1Opera Browser
Apr 16, 2026
Jan 10, 2005
N/A· v4
N/A· v3
5.0 MEDIUM· v2
Opera 7.54 allows remote attackers to cause a denial of service (application crash from memory exhaustion), as demonstrated using Javascript code that continuously creates nested arrays and then sorts the newly created a...Show more
Opera 7.54 allows remote attackers to cause a denial of service (application crash from memory exhaustion), as demonstrated using Javascript code that continuously creates nested arrays and then sorts the newly created arrays.Show less