Vulnerabilities (CVE)

Filtered by vendor Opera Subscribe
Filtered by product Opera Browser
Total 285 CVE
CVE Vendors Products Updated CVSS v2 CVSS v3
CVE-2005-3006 1 Opera 1 Opera Browser 2025-04-03 5.0 MEDIUM N/A
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.
CVE-2005-1475 1 Opera 1 Opera Browser 2025-04-03 7.5 HIGH N/A
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.
CVE-2005-4718 1 Opera 1 Opera Browser 2025-04-03 5.0 MEDIUM N/A
Opera 8.02 and earlier allows remote attackers to cause a denial of service (client crash) via (1) a crafted HTML file with a "content: url(0);" style attribute, a "bodyA" tag, a long string, and a "u" tag with a long attribute, as demonstrated by opera.html; and (2) a BGSOUND element with a "margin:-99;" STYLE attribute.
CVE-2005-2273 1 Opera 1 Opera Browser 2025-04-03 2.6 LOW N/A
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."
CVE-2004-2260 1 Opera 1 Opera Browser 2025-04-03 5.0 MEDIUM N/A
Opera Browser 7.23, and other versions before 7.50, updates the address bar as soon as the user clicks a link, which allows remote attackers to redirect to other sites via the onUnload attribute.
CVE-2006-3199 1 Opera 1 Opera Browser 2025-04-03 5.0 MEDIUM N/A
Opera 9 allows remote attackers to cause a denial of service (crash) via an A tag with an href attribute with a URL containing a long hostname, which triggers an out-of-bounds operation.
CVE-2005-3699 1 Opera 1 Opera Browser 2025-04-03 5.0 MEDIUM N/A
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.
CVE-2005-2405 1 Opera 1 Opera Browser 2025-04-03 5.0 MEDIUM N/A
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.
CVE-2004-1490 1 Opera 1 Opera Browser 2025-04-03 2.6 LOW N/A
Opera 7.54 and earlier allows remote attackers to spoof file types in the download dialog via dots and non-breaking spaces (ASCII character code 160) in the (1) Content-Disposition or (2) Content-Type headers.
CVE-2006-3331 1 Opera 1 Opera Browser 2025-04-03 5.0 MEDIUM N/A
Opera before 9.0 does not reset the SSL security bar after displaying a download dialog from an SSL-enabled website, which allows remote attackers to spoof a trusted SSL certificate from an untrusted website and facilitates phishing attacks.
CVE-2006-3945 2 Microsoft, Opera 2 Windows Xp, Opera Browser 2025-04-03 5.0 MEDIUM N/A
The CSS functionality in Opera 9 on Windows XP SP2 allows remote attackers to cause a denial of service (crash) by setting the background property of a DHTML element to a long http or https URL, which triggers memory corruption.
CVE-2005-3007 1 Opera 1 Opera Browser 2025-04-03 2.6 LOW N/A
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.
CVE-2005-4210 1 Opera 1 Opera Browser 2025-04-03 5.0 MEDIUM N/A
Opera before 8.51, when running on Windows with Input Method Editor (IME) installed, allows remote attackers to cause a denial of service (persistent application crash) by bookmarking a site with a long title.
CVE-2004-0473 1 Opera 1 Opera Browser 2025-04-03 2.6 LOW N/A
Argument injection vulnerability in Opera before 7.50 does not properly filter "-" characters that begin a hostname in a telnet URI, which allows remote attackers to insert options to the resulting command line and overwrite arbitrary files via (1) the "-f" option on Windows XP or (2) the "-n" option on Linux.
CVE-2005-3041 1 Opera 1 Opera Browser 2025-04-03 5.0 MEDIUM N/A
Unspecified "drag-and-drop vulnerability" in Opera Web Browser before 8.50 on Windows allows "unintentional file uploads."
CVE-2005-1669 1 Opera 1 Opera Browser 2025-04-03 6.8 MEDIUM N/A
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.
CVE-2003-1388 1 Opera 1 Opera Browser 2025-04-03 9.3 HIGH N/A
Buffer overflow in Opera 7.02 Build 2668 allows remote attackers to crash Opera via a long HTTP request ending in a .ZIP extension.
CVE-2004-1615 1 Opera 1 Opera Browser 2025-04-03 2.6 LOW N/A
Opera allows remote attackers to cause a denial of service (invalid memory reference and application crash) via a web page or HTML email that contains a TBODY tag with a large COL SPAN value, as demonstrated by mangleme.
CVE-2005-3059 3 Linux, Microsoft, Opera 3 Linux Kernel, Windows, Opera Browser 2025-04-03 10.0 HIGH N/A
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."
CVE-2003-0593 1 Opera 1 Opera Browser 2025-04-03 7.5 HIGH N/A
Opera allows remote attackers to bypass intended cookie access restrictions on a web application via "%2e%2e" (encoded dot dot) directory traversal sequences in a URL, which causes Opera to send the cookie outside the specified URL subsets, e.g. to a vulnerable application that runs on the same server as the target application.