Common vulnerabilities and Exposures (CVE)

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Required CVE Record Information

Description

Mattermost versions 8.1.x before 8.1.9, 9.2.x before 9.2.5, and 9.3.0 fail to sanitize the metadata on posts containing permalinks under specific conditions, which allows an authenticated attacker to access the contents of individual posts in channels they are not a member of.

CVSS 1 Total

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ScoreSeverityVersionVector String
4.3MEDIUM3.1CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Product Status

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Versions 7 Total

Default Status: unaffected

affected

  • affected from 9.2.0 through 9.2.4 
  • affected from 8.1.0 through 8.1.8 
  • affected at 9.3.0 

unaffected

  • unaffected at 9.4 
  • unaffected at 9.3.1 
  • unaffected at 9.2.5 
  • unaffected at 8.1.9 

Credits

  • Juho Nurminen finder

Updated:

This container includes required additional information provided by the CVE Program for this vulnerability.

Authorized Data Publishers

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