Unauthenticated access to new private chat messages in Discourse
CVE-2023-45131

7.5HIGH

Key Information:

Vendor

Discourse
Status
Discourse
Vendor
CVE Published:
16 October 2023

What is CVE-2023-45131?

An issue has been identified in the Discourse platform that allows attackers to read new chat messages by executing unauthenticated POST requests to the MessageBus. This vulnerability poses a significant risk as it enables unauthorized individuals to intercept community discussions. Users are strongly encouraged to update to versions 3.1.1 or 3.2.0.beta2, where this issue has been resolved, as there are currently no workarounds available.

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Deploy the Patch

Affected Version(s)

discourse stable < 3.1.2 < stable 3.1.2

discourse beta < 3.2.0.beta2 < beta 3.2.0.beta2

References

https://github.com/discourse/discourse/security/advisorie...
x_refsource_CONFIRM

EPSS Score

7% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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