Cross-site scripting (XSS) vulnerability in the CSRF protection scheme in WordPress before 2.0.6 allows remote attackers to inject arbitrary web script or HTML via a CSRF attack with an invalid token and quote characters or HTML tags in URL variable names, which are not properly handled when WordPress generates a new link to verify the request.

BID:21893 | URL:http://www.securityfocus.com/bid/21893 | BUGTRAQ:20070105 Advisory 01/2007: WordPress CSRF Protection XSS Vulnerability | URL:http://www.securityfocus.com/archive/1/456048/100/0/threaded | CONFIRM:http://wordpress.org/development/2007/01/wordpress-206/ | MISC:http://www.hardened-php.net/advisory_012007.140.html | OSVDB:33397 | URL:http://osvdb.org/33397 | SECUNIA:23595 | URL:http://secunia.com/advisories/23595 | SREASON:2114 | URL:http://securityreason.com/securityalert/2114 | VUPEN:ADV-2007-0061 | URL:http://www.vupen.com/english/advisories/2007/0061