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Improper Restriction of XML External Entity Reference

CVE-2020-26705

Severity High
Score 9.1/10

Summary

All versions of "parseXML" function in Easy-XML were discovered to have an XML External Entity (XXE) vulnerability which allows an attacker to expose sensitive data or perform a denial of service (DOS) via a crafted external entity entered into the XML content as input.

  • LOW
  • NETWORK
  • NONE
  • UNCHANGED
  • NONE
  • NONE
  • HIGH
  • HIGH

CWE-611 - Improper Restriction of XML External Entity Reference

Listed 4th in the 'OWASP Top Ten', XML External Entities (XXE) vulnerability allows attackers to provide an XML input that contains an external entity. When the XML is parsed, it can cause data extraction and manipulation, execution of commands, denial-of-service attacks, and server-side request forgery.

References

Advisory Timeline

  • Published