CVE-2022-24850 Category group permissions leaked in Discourse

What is CVE-2022-24850?

CVE-2022-24850 is a medium-severity vulnerability in Discourse Discourse, published on 14 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

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.

Weakness: CWE-200

Which versions are affected by CVE-2022-24850?

1 open source package ship an affected version, including discourse. It affects 1 product.

Products include Discourse Discourse.

How do I fix CVE-2022-24850?

Upgrade discourse to 2.8.2 or later.

Is CVE-2022-24850 being exploited?

There is no known exploitation of CVE-2022-24850 in the wild and no public exploit code.

Other vulnerabilities in Discourse Discourse

• CVE-2021-41163 RCE via malicious SNS subscription payload Critical 10.0
• CVE-2022-36066 Discourse vulnerable to RCE via admins uploading maliciously zipped file Critical 9.1
• CVE-2022-39356 Discourse user account takeover via email and invite link High 8.9
• CVE-2023-22468 Discourse vulnerable to Cross-site Scripting in local oneboxes High 8.8
• CVE-2026-27934 Discourse leaks private topic title and post excerpt via user action API endpoint High 8.7

All Discourse Discourse vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-discourse-2022-24850, GHSA-34xr-ff4w-mcpf.