CVE-2023-23620 Discourse restricted tag routes leak topic information
Unauthorized users can access topic information from restricted tag routes in Discourse, leading to data leakage.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-23620?
CVE-2023-23620 is a medium-severity vulnerability in Discourse Discourse, published on 27 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Discourse is an open-source discussion platform. Prior to version 3.0.1 on the `stable` branch and 3.1.0.beta2 on the `beta` and `tests-passed` branches, the contents of latest/top routes for restricted tags can be accessed by unauthorized users. This issue is patched in version 3.0.1 on the `stable` branch and 3.1.0.beta2 on the `beta` and `tests-passed` branches. There are no known workarounds.
Weakness: CWE-200
Which versions are affected by CVE-2023-23620?
1 open source package ship an affected version, including discourse. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
discourse Bitnami | All versions | 3.0.1 |
Products include Discourse Discourse.
How do I fix CVE-2023-23620?
Upgrade discourse to 3.0.1 or later.
Is CVE-2023-23620 being exploited?
There is no known exploitation of CVE-2023-23620 in the wild and no public exploit code.
Other vulnerabilities in Discourse Discourse
- CVE-2021-41163 RCE via malicious SNS subscription payload
- CVE-2022-36066 Discourse vulnerable to RCE via admins uploading maliciously zipped file
- CVE-2022-39356 Discourse user account takeover via email and invite link
- CVE-2023-22468 Discourse vulnerable to Cross-site Scripting in local oneboxes
- CVE-2026-27934 Discourse leaks private topic title and post excerpt via user action API endpoint
Sources
Also known as BIT-discourse-2023-23620, GHSA-hvj9-g84x-5prx.