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Improper Restriction of XML External Entity Reference

CVE-2023-42344

High
7.3/10

Summary

Alkacon OpenCms prior to 10.5.1 allows remote unauthenticated attackers to obtain sensitive information via a cmis-online/query XML External Entity (XXE) attack on a Chemistry servlet.

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

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