Discourse is an open source platform for community discussion. A category's group permissions settings can be viewed by anyone that has access to the category. As a result, a normal user is able to see whether a group has read/write permissions in the category even though the information should only be available to the users that can manage a category. This issue is patched in the latest stable, beta and tests-passed versions of Discourse. There are no workarounds for this problem.
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
Link | Tags |
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https://github.com/discourse/discourse/security/advisories/GHSA-34xr-ff4w-mcpf | third party advisory |