	private String getTitleQTI12(QuestionItemImpl item) {
		try {
			VFSLeaf leaf = qpoolService.getRootLeaf(item);
			Item xmlItem = QTIEditHelper.readItemXml(leaf);
			return xmlItem.getTitle();
		} catch (NullPointerException e) {
			log.warn("Cannot read files from dir: " + item.getDirectory());
		}
		return null;
	}
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.