Improper Restriction of XML External Entity Reference
CWE-611
The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output.
We track 348 vulnerabilities of this type. 100% are rated high or critical, and the average CVSS score is 8.3. 9 have been exploited in real attacks.
How this weakness is prevented
- Implementation System Configuration: Many XML parsers and validators can be configured to disable external entity expansion.
Latest Improper Restriction of XML External Entity Reference vulnerabilities
- 7.5 High severity
symfony: Improper Restriction of XML External Entity Reference
Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to 5.4.52, 6.4.40, 7.4.12, and 8.0.12, Crawler::addXmlContent() set DOMDocument::$validateOnParse = true before loadXML(), re-enabling external entity resol
- 9.1 Critical severity
org.hl7.fhir.core: Improper Restriction of XML External Entity Reference
HAPI FHIR is a complete implementation of the HL7 FHIR standard for healthcare interoperability in Java. Prior to 6.9.10, org.hl7.fhir.utilities.XsltUtilities saxonTransform(...) overloads instantiated a bare net.sf.saxon.TransformerFactoryImpl() without ACCES
- 9.8 Critical severity
Apache Lucene.Net: Improper Restriction of XML External Entity Reference
Improper Restriction of XML External Entity Reference vulnerability in Apache Lucene.Net (Lucene.Net.Analysis.Common library). This issue affects Apache Lucene.Net.Analysis.Common: from 4.8.0-beta00005 before 4.8.0-beta00018. Users are recommended to upgrade t
- 9.1 Critical severity
Business Automation Manager Open Editions: Improper Restriction of XML External Entity Reference
IBM Business Automation Manager Open Editions 9.0.0 through 9.4.2 is vulnerable to an XML external entity injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to expose sensitive information or consume memory reso
- 7.1 High severity
docling: Improper Handling of Highly Compressed Data (Data Amplification)
Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. From 2.45.0 until 2.91.0, the METS-GBS backend's XML parsing and the input document format detection lacked security controls. An att
- 8.5 High severity
Red Hat build of Apicurio Registry 3.3.1: Improper Restriction of XML External Entity Reference
A flaw was found in Apicurio Registry. The ContentTypeUtil.isParsableXml() method creates a SAXParserFactory without enabling secure processing features or disabling external entity resolution. An attacker with artifact-write permission (or unauthenticated whe
- 7.5 High severity
docling: Improper Restriction of Recursive Entity References in DTDs
Docling simplifies document processing by parsing diverse formats and providing integrations with the generative AI ecosystem. From 2.13.0 until 2.74.0, the USPTO patent XML parser used the standard xml.sax.parseString() without protection against XML External
- 9.8 Critical severity
libxml2: Use After Free
Use After Free in libxml2's xmlParseInternalSubset from GNOME libxml2 version 2.9.11 to 2.11.0 allows a remote attacker to cause a denial-of-service via maliciously crafted XML input with improper entity resolution handling.
- 8.2 High severity
GeoServer is an open source server that allows users to share and edit geospatial data.
GeoServer is an open source server that allows users to share and edit geospatial data. Prior to versions 2.26.4 and 2.27.3, a GeoServer that uses `ENTITY_RESOLUTION_ALLOWLIST` may allow attacker to perform unauthenticated Server-Side Request Forgery (SSRF). T
- 9.8 Critical severity
Apache CXF: Improper Restriction of XML External Entity Reference
Apache CXF's EndpointReferenceUtils and W3CMultiSchemaFactory classes construct a SAXParserFactory without the necessary JAXP hardening configurations, enabling out-of-band (OOB) external entity resolution. Users are recommended to upgrade to versions 4.2.2 or
- 8.2 High severity
Spring Web Services: Improper Restriction of XML External Entity Reference
Jaxp13XPathTemplate evaluated XPath expressions for StreamSource and SAXSource inputs using a code path that parsed attacker-controlled XML with the JDK's default DocumentBuilderFactory behavior instead of Spring's hardened parser configuration. Applications t
- 7.4 High severity
ColdFusion 2025: Improper Restriction of XML External Entity Reference
ColdFusion versions 2023.19, 2025.8 and earlier are affected by an Improper Restriction of XML External Entity Reference ('XXE') vulnerability that could lead to arbitrary file system read. An attacker could exploit this vulnerability to access sensitive files
- 7.7 High severity
Pentaho Data Integration and Analytics: Improper Restriction of XML External Entity Reference
Hitachi Vantara Pentaho Data Integration & Analytics versions before 10.2.0.7 and 11.0.0.0, including 9.3.x and 8.3.x, does not prevent certain XML parsers from resolving external entities.
- 7.1 High severity
Engineering Lifecycle Management: Improper Restriction of XML External Entity Reference
IBM Engineering Lifecycle Management 7.0.3 Interim Fix 001 through Interim Fix 021, 7.1.0 Interim Fix 001 through Interim Fix 009, and 7.2.0 and 7.2.0 Interim Fix 001 is vulnerable to an XML external entity injection (XXE) attack when processing XML data. An a
- 7.5 High severity
changedetection.io: Improper Restriction of XML External Entity Reference
changedetection.io is a free open source web page change detection tool. In 0.54.9 and earlier, xpath_filter() switches to XML mode for XML/RSS content and creates etree.XMLParser(strip_cdata=False) without explicitly disabling external entity resolution, exte
- 7.1 High severity
SolidCAM-GPPL-IDE: Uncontrolled Resource Consumption
SolidCAM-GPPL-IDE is an unofficial, independently developed extension, Postprocessor IDE for SolidCAM. From version 1.0.0 to before version 1.0.2, Opening a .gpp file in the SolidCAM Postprocessor IDE extension causes the language server to parse a companion .
- 8.1 High severity
Vvveb: Improper Restriction of XML External Entity Reference
Vvveb before version 1.0.8.2 contains an XML external entity (XXE) injection vulnerability in the admin Tools/Import feature that allows authenticated site_admin users to read arbitrary files and modify database records. Attackers can exploit the XML parser co
- 7.5 High severity
Apache OpenNLP: Improper Restriction of XML External Entity Reference
XML External Entity (XXE) via Unsanitized Dictionary Parsing in Apache OpenNLP DictionaryEntryPersistor Versions Affected: before 2.5.9, before 3.0.0-M3 Description: The DictionaryEntryPersistor class initializes a static SAXParserFactory at class-load time wi
- 9.1 Critical severity
Connext Professional: Improper Restriction of XML External Entity Reference
Improper Restriction of XML External Entity Reference vulnerability in RTI Connext Professional (Core Libraries) allows Serialized Data External Linking. This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.1, from 6.1.0 be
- 7.5 High severity
Lobster_pro: Improper Restriction of XML External Entity Reference
Unauthenticated attackers can exploit a weakness in the XML parser functionality of Lobster_pro prior to version 4.12.6-GA. This allows them to obtain read access to files on the application server and adjacent network shares, and perform HTTP GET requests to
- 7.5 High severity
4D Server: Improper Restriction of XML External Entity Reference
Unauthenticated attackers can exploit a weakness in the XML parser functionality of the SOAP endpoints in 4D server. This allows them to obtain read access to files on the application server and adjacent network shares, and perform HTTP GET requests to arbitra
- 7.5 High severity
lxml: Improper Restriction of XML External Entity Reference
lxml is a library for processing XML and HTML in the Python language. Prior to 6.1.0, using either of the two parsers in the default configuration (with resolve_entities=True) allows untrusted XML input to read local files. Setting the resolve_entities option
- 7.6 High severity
openremote: Improper Restriction of XML External Entity Reference
OpenRemote is an open-source internet-of-things platform. Prior to version 1.22.0, the Velbus asset import path parses attacker-controlled XML without explicit XXE hardening. An authenticated user who can call the import endpoint may trigger XML external entit
- 7.5 High severity
Oracle Java SE: Exposure of Sensitive Information to an Unauthorized Actor
Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JAXP). Supported versions that are affected are Oracle Java SE: 8u481, 8u481-b50, 8u481-perf, 11.0.30, 17.0.18, 21.0.10, 25.0.2
- 7.5 High severity
WSO2 API Manager: Improper Restriction of XML External Entity Reference
The component accepts XML input through the publisher without disabling external entity resolution. This allows malicious actors to submit a crafted XML payload that exploits the unescaped external entity references. By leveraging this vulnerability, a malicio
- 9.1 Critical severity
WSO2 API Manager: Improper Restriction of XML External Entity Reference
The XML parsers within multiple WSO2 products accept user-supplied XML data without properly configuring to prevent the resolution of external entities. This omission allows malicious actors to craft XML payloads that exploit the parser's behavior, leading to
- 9.1 Critical severity
Connext Professional: Improper Restriction of XML External Entity Reference
Improper Restriction of XML External Entity Reference vulnerability in RTI Connext Professional (Recording Service,Routing Service,Queueing Service,Cloud Discovery Service,Observability Collector) allows Serialized Data External Linking, Data Serialization Ext
- 7.6 High severity
Grav: Improper Restriction of XML External Entity Reference
Grav CMS v1.7.x and before is vulnerable to XML External Entity (XXE) through the SVG file upload functionality in the admin panel and File Manager plugin.
- 8.6 High severity
Autogram: Improper Restriction of XML External Entity Reference
Improper Restriction of XML External Entity Reference vulnerability in XMLUtils.java in Slovensko.Digital Autogram allows remote unauthenticated attacker to conduct SSRF (Server Side Request Forgery) attacks and obtain unauthorized access to local files on fil
- 7.5 High severity
InfoSphere Information Server: Improper Restriction of XML External Entity Reference
IBM InfoSphere Information Server 11.7.0.0 through 11.7.1.6 An XML External Entity (XXE) vulnerability in IBM InfoSphere Information Server could allow attackers to retrieve sensitive information from the server.
- 8.1 High severity
JeeSite: Improper Restriction of XML External Entity Reference
A flaw has been found in thinkgem JeeSite up to 5.15.1. Impacted is an unknown function of the file /com/jeesite/common/shiro/cas/CasOutHandler.java of the component Endpoint. Executing a manipulation can lead to xml external entity reference. The attack may b
- 7.5 High severity
FreeFlow Core: Improper Restriction of XML External Entity Reference
An XML External Entity (XXE) vulnerability allows malicious user to perform Server-Side Request Forgery (SSRF) via crafted XML input containing malicious external entity references. This issue affects Xerox FreeFlow Core versions up to and including 8.0.7. Ple
- 8.2 High severity
Db2 for Linux, UNIX and Windows: Improper Restriction of XML External Entity Reference
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 11.5.0 through 11.5.9 and 12.1.0 through 12.1.3 is vulnerable to an XML external entity injection (XXE) attack when processing XML data. A remote attacker could exploit this vulnerability to exp
- 7.0 High severity
EcoStruxure Building Operation Workstation: Improper Restriction of XML External Entity Reference
CWE-611: Improper Restriction of XML External Entity Reference vulnerability exists that could cause unauthorized disclosure of local files, interaction within the EBO system, or denial of service conditions when a local user uploads a specially crafted TGML g
- 7.9 High severity
Crowd Data Center: Improper Restriction of XML External Entity Reference
This High severity XXE (XML External Entity Injection) vulnerability was introduced in version 7.1.0 of Crowd Data Center and Server. This XXE (XML External Entity Injection) vulnerability, with a CVSS Score of 7.9, allows an authenticated attacker to access l
- 9.1 Critical severity
assertj: Improper Restriction of XML External Entity Reference
AssertJ provides Fluent testing assertions for Java and the Java Virtual Machine (JVM). Starting in version 1.4.0 and prior to version 3.27.7, an XML External Entity (XXE) vulnerability exists in `org.assertj.core.util.xml.XmlStringPrettyFormatter`: the `toXml
- 9.8 Critical severity
Xdocreport: Improper Restriction of XML External Entity Reference
An XML External Entity (XXE) vulnerability in opensagres XDocReport v0.9.2 to v2.0.3 allows attackers to execute arbitrary code via uploading a crafted .docx file.
- 7.5 High severity
Demo Importer Plus: Improper Restriction of XML External Entity Reference
The Demo Importer Plus plugin for WordPress is vulnerable to XML External Entity Injection (XXE) in all versions up to, and including, 2.0.9 via the SVG file upload functionality. This makes it possible for authenticated attackers, with Author-level access and
- 8.1 High severity
Apache Struts: Improper Restriction of XML External Entity Reference
Missing XML Validation vulnerability in Apache Struts, Apache Struts. This issue affects Apache Struts: from 2.0.0 before 2.2.1; Apache Struts: from 2.2.1 through 6.1.0. Users are recommended to upgrade to version 6.1.1, which fixes the issue.
- 7.1 High severity
Bio-Formats: Improper Restriction of XML External Entity Reference
Bio-Formats versions up to and including 8.3.0 contain an XML External Entity (XXE) vulnerability in the Leica Microsystems metadata parsing component (e.g., XLEF). The parser uses an insecurely configured DocumentBuilderFactory when processing Leica XML-based