8.6
CWE
400
Advisory Published
Updated

CVE-2023-48297: Discourse vulnerable to unlimited mentioned users in message serializer

First published: Fri Jan 12 2024(Updated: )

Discourse is a platform for community discussion. The message serializer uses the full list of expanded chat mentions (@all and @here) which can lead to a very long array of users. This issue was patched in versions 3.1.4 and beta 3.2.0.beta5.

Credit: security-advisories@github.com

Affected SoftwareAffected VersionHow to fix
Discourse<3.1.4
Discourse=3.2.0-beta1
Discourse=3.2.0-beta2
Discourse=3.2.0-beta3

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Frequently Asked Questions

  • What is the severity of CVE-2023-48297?

    CVE-2023-48297 has a medium severity rating due to its potential to create excessively long arrays of users.

  • How do I fix CVE-2023-48297?

    To fix CVE-2023-48297, upgrade to version 3.1.4 or later, or to beta version 3.2.0.beta5 or later.

  • What software does CVE-2023-48297 affect?

    CVE-2023-48297 affects Discourse versions prior to 3.1.4 and beta versions before 3.2.0.beta5.

  • What does CVE-2023-48297 involve?

    CVE-2023-48297 involves the message serializer in Discourse which can potentially handle too many expanded chat mentions.

  • Is there a known exploit for CVE-2023-48297?

    As of now, there are no publicly known exploits for CVE-2023-48297, but it's recommended to apply patches promptly.

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