Date: Wed, 17 Dec 2008 13:11:00 -0500 (EST) From: "Steven M. Christey" <coley@...us.mitre.org> To: Nico Golde <oss-security+ml@...lde.de> cc: Steffen Joeris <steffen.joeris@...lelinux.de>, oss-security@...ts.openwall.com, "Steven M. Christey" <coley@...us.mitre.org> Subject: Re: CVE id request: php-xajax On Wed, 17 Dec 2008, Nico Golde wrote: > > Afaik you can use & to specify values like ../foo.php&value=bar > > Thus the patch looked incomplete to me and should be extended to escape & as > > well. > > I see no problem with specifying GET variables here unless > this is some kind of CSRF which I don't see in this case. If there's CSRF then that would be a separate issue. If ";" is also allowed then there might be some possibilities for odd entity encodings, but I don't know if that would translate directly into XSS. A simple, likely-incorrect example might be "<" which would decode into "<" but the browser would treat it as a literal "<" instead of the start of a tag. - Steve
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