Mozilla Firefox 3.x before 3.0.5 and 2.x before 2.0.0.19, Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1.x before 1.1.14 allow remote attackers to bypass the same origin policy and access portions of data from another domain via a JavaScript URL that redirects to the target resource, which generates an error if the target data does not have JavaScript syntax, which can be accessed using the window.onerror DOM API.

Mozilla Firefox 3.x before 3.0.5 and 2.x before 2.0.0.19, Thunderbird 2.x before 2.0.0.19, and SeaMonkey 1.x before 1.1.14 allow remote attackers to bypass the same origin policy and access portions of data from another domain via a JavaScript URL that redirects to the target resource, which generates an error if the target data does not have JavaScript syntax, which can be accessed using the window.onerror DOM API.

MozillaThunderbird-91.1.1-1.1 on GA media

Layout engine crashes - Firefox 2 and 3 Layout engine crash - Firefox 3 only JavaScript engine crash - Firefox 3 only Firefox 3 User tracking via XUL persist attribute Firefox XMLHttpRequest 302 response disclosure Firefox Cross-domain data theft via script redirect error message Firefox errors parsing URLs with control characters Firefox null characters ignored by CSS parser Firefox XSS via XBL bindings to unloaded document Firefox JavaScript privilege escalation Firefox XSS vulnerabilities in SessionStore