Discourse PM Tag Metadata Leak via Group Permissions
CVE-2024-56197 Published on February 4, 2025
Users can see other user's tagged PMs in Discourse
Discourse is an open source platform for community discussion. PM titles and metadata can be read by other users when the "PM tags allowed for groups" option is enabled, the other user is a member of a group added to this option, and the PM has been tagged. This issue has been patched in the latest `stable`, `beta` and `tests-passed` versions of Discourse. Users are advised to upgrade. Users unable to upgrade should remove all groups from the the "PM tags allowed for groups" option.
Vulnerability Analysis
CVE-2024-56197 can be exploited with network access, and requires user privileges. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality, a small impact on integrity and availability.
Weakness Type
What is an Information Disclosure Vulnerability?
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
CVE-2024-56197 has been classified to as an Information Disclosure vulnerability or weakness.
Products Associated with CVE-2024-56197
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Affected Versions
discourse:- Version stable: <= 3.3.3 is affected.
- Version beta: <= 3.4.0.beta4 is affected.
- Version tests-passed: <= 3.4.0.beta4 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.