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CVE PROGRAM SOURCE RECORD4.3 Medium

CVE-2023-1775

Unsanitized events sent over Websocket to regular users in a High Availability environment

Description

When running in a High Availability configuration, Mattermost fails to sanitize some of the user_updated and post_deleted events broadcast to all users, leading to disclosure of sensitive information to some of the users with currently connected Websocket clients.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Mattermost Mattermost

Default version status: unaffected

  • 3.3.0 to ≤ 7.7.1affected
  • 3.3.0 to ≤ 7.1.5affected
  • 3.3.0 to < 7.8.0affected
  • 7.8.0unaffected
  • 7.7.2unaffected
  • 7.1.6unaffected

References