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Exposure of Sensitive Information to an Unauthorized Actor

CVE-2024-40597

High
7.5/10

Summary

An issue was discovered in the CheckUser extension for MediaWiki through 1.42.1. It can expose suppressed information for log events. (The log_deleted attribute is not respected.)

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

CWE-200 - Information Exposure

An information exposure vulnerability is categorized as an information flow (IF) weakness, which can potentially allow unauthorized access to otherwise classified information in the application, such as confidential personal information (demographics, financials, health records, etc.), business secrets, and the application's internal environment.

References

Advisory Timeline

  • Published