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CVE-2025-32376

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Date: April 30, 2025

Discourse is an open-source discussion platform. Prior to versions 3.4.3 on the stable branch and 3.5.0.beta3 on the beta branch, the users limit for a DM can be bypassed, thus giving the ability to potentially create a DM with every user from a site in it. This issue has been patched in stable version 3.4.3 and beta version 3.5.0.beta3.

Severity Score

Related Resources (4)

https://github.com/discourse/discourse/commit/21a7f3162221c393f9bb13721451aa7f237d881a
https://nvd.nist.gov/vuln/detail/CVE-2025-32376
https://github.com/discourse/discourse/security/advisories/GHSA-mqqq-h2x3-46fr
https://www.mend.io/vulnerability-database/CVE-2025-32376

Severity Score

Weakness Type (CWE)

Improper Access Control

CWE-284

Top Fix

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Upgrade to version https://github.com/discourse/discourse.git - v3.4.3

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): LOW
Availability (A): NONE

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