XML Injection (aka Blind XPath Injection)
dom4j prior to 2.0.3 and 2.1.x prior to 2.1.1 contains a CWE-91: XML Injection vulnerability in Class: Element. Methods: addElement, addAttribute that can result in an attacker tampering with XML documents through XML injection. This attack appear to be exploitable via an attacker specifying attributes or elements in the XML document. To resolve this issue - upgrade to version 2.0.3 or 2.1.1. Please note: the package name was changed to org.dom4j:dom4j on version 2.0.0.
CWE-91 - XML Injection (aka Blind XPath Injection)
The software does not properly neutralize special elements that are used in XML, allowing attackers to modify the syntax, content, or commands of the XML before it is processed by an end system.