CVE-2024-26145

Summary

Discourse Calendar adds the ability to create a dynamic calendar in the first post of a topic on Discourse. Uninvited users are able to gain access to private events by crafting a request to update their attendance. This problem is resolved in commit dfc4fa15f340189f177a1d1ab2cc94ffed3c1190. As a workaround, one may use post visibility to limit access.

Affected Software

Weaknesses

• CWE-863: CWE-863: Incorrect Authorization

ADP Enrichment

CVE Program Container

Additional References

• https://github.com/discourse/discourse-calendar/security/advisories/GHSA-4hh7-6m34-p2jp
• https://github.com/discourse/discourse-calendar/commit/dfc4fa15f340189f177a1d1ab2cc94ffed3c1190

CISA ADP Vulnrichment

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

References

• https://github.com/discourse/discourse-calendar/security/advisories/GHSA-4hh7-6m34-p2jp
• https://github.com/discourse/discourse-calendar/commit/dfc4fa15f340189f177a1d1ab2cc94ffed3c1190

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