The default configuration of Adobe Reader and Acrobat 9.x before 9.3, and 8.x before 8.2 on Windows and Mac OS X, does not enable the Enhanced Security feature, which has unspecified impact and attack vectors, related to a "script injection vulnerability," as demonstrated by Acrobat Forms Data Format (FDF) behavior that allows cross-site scripting (XSS) by user-assisted remote attackers.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8327
https://exchange.xforce.ibmcloud.com/vulnerabilities/55554
https://bugzilla.redhat.com/show_bug.cgi?id=554296
http://www.vupen.com/english/advisories/2010/0103
http://www.us-cert.gov/cas/techalerts/TA10-013A.html
http://www.securitytracker.com/id?1023446
http://www.securityfocus.com/bid/37763
http://www.redhat.com/support/errata/RHSA-2010-0060.html
http://www.packetstormsecurity.org/1001-exploits/SS-2010-001.txt
http://www.adobe.com/support/security/bulletins/apsb10-02.html
http://secunia.com/advisories/38215
http://secunia.com/advisories/38138
http://lists.opensuse.org/opensuse-security-announce/2010-01/msg00009.html