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Improper Input Validation

CVE-2017-18890

Medium
4.3/10

Summary

An issue was discovered in Mattermost Server versions prior to 4.1.2, 4.2.x prior to 4.2.1, and 4.3.x prior to 4.3.0. It allows an attacker to create a button that, when pressed by a user, launches an API request.

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

CWE-20 - Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

References

Advisory Timeline

  • Published