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CVE-2025-49845
June 25, 2025
Discourse is an open-source discussion platform. The visibility of posts typed "whisper" is controlled via the "whispers_allowed_groups" site setting. Only users that belong to groups specified in the site setting are allowed to view posts typed "whisper". However, it has been discovered that users of versions prior to 3.4.6 on the "stable" branch and prior to 3.5.0.beta8-dev on the "tests-passed" branch can continue to see their own whispers even after losing visibility of posts typed "whisper". This issue is patched in versions 3.4.6 and 3.5.0.beta8-dev. No known workarounds are available.
Affected Packages
https://github.com/discourse/discourse.git (GITHUB):
Affected version(s) >=v0.8.0 <v3.4.6
Fix Suggestion:
Update to version v3.4.6
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CVSS v4
Base Score:
6.3
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
LOW
Vulnerable System Integrity
NONE
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
5.3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
LOW
Integrity
NONE
Availability
NONE
Weakness Type (CWE)
Exposure of Sensitive Information to an Unauthorized Actor
EPSS
Base Score:
0.07