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Security Advisories

CVE-2023-43754

NVD

https://nvd.nist.gov/vuln/detail/CVE-2023-43754

Severity

4.3

Medium

CVSS V3

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Summary

Permalink previews displayed for posts in archived channels even if users are disallowed to view archived channels

Description

Mattermost fails to check whether the  “Allow users to view archived channels”  setting is enabled during permalink previews display, allowing members to view permalink previews of archived channels even if the “Allow users to view archived channels” setting is disabled. 

References

  • https://nvd.nist.gov/vuln/detail/CVE-2023-43754
  • https://github.com/advisories/GHSA-jjr7-372r-cx7x
  • https://mattermost.com/security-updates
  • https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/43xxx/CVE-2023-43754.json

Affected packages

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