CVE-2022-39356

Summary

Discourse is a platform for community discussion. Users who receive an invitation link that is not scoped to a single email address can enter any non-admin user's email and gain access to their account when accepting the invitation. All users should upgrade to the latest version. A workaround is temporarily disabling invitations with SiteSetting.max_invites_per_day = 0 or scope them to individual email addresses.

Affected Software

Weaknesses

• CWE-285: CWE-285: Improper Authorization

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/discourse/discourse/security/advisories/GHSA-x8w7-rwmr-w278
• https://github.com/discourse/discourse/pull/18817

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: total

References

• https://github.com/discourse/discourse/security/advisories/GHSA-x8w7-rwmr-w278
• https://github.com/discourse/discourse/pull/18817

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