CVE-2009-1594: Undefined Security Weakness

Armorlogic Profense Web Application Firewall before 2.2.22, and 2.4.x before 2.4.4, does not properly implement the "positive model," which allows remote attackers to bypass certain protection mechanisms via a %0A encoded newline, as demonstrated by a %0A in a cross-site scripting XSS attack URL...