Skip to content
OpenAdvisories

Weakness (CWE)

CWE-611: Improper Restriction of XML External Entity Reference

Base Draft

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.

How to prevent it (1 mitigation)
  1. Implementation, System Configuration

    Many XML parsers and validators can be configured to disable external entity expansion.

Source: MITRE CWE-611

16 results · Clear filters · Feed

  • Critical 9.8
    CVE-2025-65482 Public exploit

    XDocReport affected by an XML External Entity (XXE) vulnerability

    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.

  • Critical 9.3
    CVE-2025-2776 Exploited Public exploit Scanner template EPSS 65%

    SysAid On-Prem <= 23.3.40 serverurl Proceessing XML External Entity Injection

    SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the Server URL processing functionality, allowing for administrator account takeover and file read primitives.

    KEV Jul 22, 2025
  • Critical 9.3
    CVE-2025-2775 Exploited Public exploit Scanner template EPSS 43%

    SysAid On-Prem <= 23.3.40 Checkin Proceessing XML External Entity Injection

    SysAid On-Prem versions <= 23.3.40 are vulnerable to an unauthenticated XML External Entity (XXE) vulnerability in the Checkin processing functionality, allowing for administrator account takeover and file read primitives.

    KEV Jul 22, 2025
  • Critical 9.8
    CVE-2024-55875 Public exploit

    http4k has a potential XXE (XML External Entity Injection) vulnerability

    http4k is a functional toolkit for Kotlin HTTP applications. Prior to version 6.50.0.0, there is a potential XXE (XML External Entity Injection) vulnerability when http4k handling malicious XML contents within requests, which might allow attackers to read loc…

  • Critical 9.8
    CVE-2024-51132 Public exploit

    HAPI FHIR XML External Entity (XXE) vulnerability

    An XML External Entity (XXE) vulnerability in HAPI FHIR before v6.4.0 allows attackers to access sensitive information or execute arbitrary code via supplying a crafted request containing malicious XML entities.

  • Critical 9.8
    CVE-2024-34102 Exploited Public exploit Scanner template EPSS 100%

    XXE can expose crypt key and other secrets granting full admin access

    Adobe Commerce versions 2.4.7, 2.4.6-p5, 2.4.5-p7, 2.4.4-p8 and earlier are affected by an Improper Restriction of XML External Entity Reference ('XXE') vulnerability that could result in arbitrary code execution. An attacker could exploit this vulnerability …

    KEV Jul 17, 2024
  • Critical 9.8
    CVE-2018-1285 Public exploit EPSS 18%

    XML External Entity attack in log4net

    Apache log4net versions before 2.0.10 do not disable XML external entities when parsing log4net configuration files. This allows for XXE-based attacks in applications that accept attacker-controlled log4net configuration files.

  • Critical 9.8
    CVE-2019-13990 Public exploit EPSS 17%

    XML external entity injection in Terracotta Quartz Scheduler

    initDocumentParser in xml/XMLSchedulingDataProcessor.java in Terracotta Quartz Scheduler through 2.3.0 allows XXE attacks via a job description.

  • Critical 9.8
    CVE-2019-1010268 Public exploit

    Improper Restriction of XML External Entity Reference in ladon

    Ladon since 0.6.1 (since ebef0aae48af78c159b6fce81bc6f5e7e0ddb059) is affected by: XML External Entity (XXE). The impact is: Information Disclosure, reading files and reaching internal network endpoints. The component is: SOAP request handlers. For instance: …

  • Critical 9.8
    CVE-2019-9670 Exploited Public exploit Scanner template EPSS 100%

    mailboxd component in Synacor Zimbra Collaboration Suite 8.7.x before 8.7.11p10 has an XML External Entity injection (X…

    KEV Jan 10, 2022
  • Critical 9.8
    CVE-2018-11788 Public exploit

    XML External Entity Reference in Apache Karaf

    Apache Karaf provides a features deployer, which allows users to "hot deploy" a features XML by dropping the file directly in the deploy folder. The features XML is parsed by XMLInputFactory class. Apache Karaf XMLInputFactory class doesn't contain any mitiga…

  • Critical 9.8
    CVE-2018-20433 Public exploit

    XML External Entity Reference in mchange:c3p0

    c3p0 0.9.5.2 allows XXE in extractXmlConfigFromInputStream in com/mchange/v2/c3p0/cfg/C3P0ConfigXmlUtils.java during initialization.

  • Critical 9.1
    CVE-2018-1000844 Public exploit

    XML External Entity (XXE) vulnerability in Square Retrofit

    Square Open Source Retrofit version Prior to commit 4a693c5aeeef2be6c7ecf80e7b5ec79f6ab59437 contains a XML External Entity (XXE) vulnerability in JAXB that can result in An attacker could use this to remotely read files from the file system or to perform SSR…

  • Critical 9.8
    CVE-2017-12629 Public exploit Scanner template EPSS 92%

    Remote code execution occurs in Apache Solr

    Remote code execution occurs in Apache Solr before 7.1 with Apache Lucene before 7.1 by exploiting XXE in conjunction with use of a Config API add-listener command to reach the RunExecutableListener class. Elasticsearch, although it uses Lucene, is NOT vulner…

  • Critical 9.8
    CVE-2016-6798 Public exploit

    XML External Entity Reference in Apache Sling

    In the XSS Protection API module before 1.0.12 in Apache Sling, the method XSS.getValidXML() uses an insecure SAX parser to validate the input string, which allows for XXE attacks in all scripts which use this method to validate user input, potentially allowi…

  • Critical 9.1
    CVE-2012-3363 Public exploit EPSS 49%

    Zend Framework XXE Vulnerability

    Zend_XmlRpc in Zend Framework 1.x before 1.11.12 and 1.12.x before 1.12.0 does not properly handle SimpleXMLElement classes, which allows remote attackers to read arbitrary files or create TCP connections via an external entity reference in a DOCTYPE element …