	public static Object readObject(XStream xStream, String xml) {
		try(InputStream is = new ByteArrayInputStream(xml.getBytes(ENCODING))) {
			return readObject(xStream, is);
		} catch (Exception e) {
			throw new OLATRuntimeException(XStreamHelper.class,
					"could not read Object from string: " + xml, e);
		} 
	}
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.