Dynamic Calendar Vulnerability Affects Discourse Instances
CVE-2024-21658

4.3MEDIUM

Key Information:

Vendor

Discourse
Status
Discourse-calendar
Vendor
CVE Published:
30 August 2024

What is CVE-2024-21658?

discourse-calendar is a discourse plugin which adds the ability to create a dynamic calendar in the first post of a topic. The limit on region value length is too generous. This allows a malicious actor to cause a Discourse instance to use excessive bandwidth and disk space. This issue has been patched in main the main branch. There are no workarounds for this vulnerability. Please upgrade as soon as possible.

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Deploy the Patch

Affected Version(s)

discourse-calendar < 66259cd21dc6a1b2139d9833f3f847d8013e6759

References

https://github.com/discourse/discourse-calendar/security/...
x_refsource_CONFIRM

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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