CVE-2023-31142 Discourse's general category permissions could be set back to default

What is CVE-2023-31142?

CVE-2023-31142 is a low-severity vulnerability in Discourse Discourse, published on 13 Jun 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

Discourse is an open source discussion platform. Prior to version 3.0.4 of the `stable` branch and version 3.1.0.beta5 of the `beta` and `tests-passed` branches, if a site has modified their general category permissions, they could be set back to the default. This issue is patched in version 3.0.4 of the `stable` branch and version 3.1.0.beta5 of the `beta` and `tests-passed` branches. A workaround, only if you are modifying the general category permissions, is to use a new category for the same purpose.

Weakness: CWE-732

Which versions are affected by CVE-2023-31142?

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

Products include Discourse Discourse.

How do I fix CVE-2023-31142?

Upgrade discourse to 3.0.4 or later.

Is CVE-2023-31142 being exploited?

There is no known exploitation of CVE-2023-31142 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-2023-31142, GHSA-286w-97m2-78x2.