CVE-2022-21678 User's bio visible even if profile is restricted in Discourse
Attackers can view private user bios via meta tags, exposing sensitive profile information to unauthorized users.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-21678?
CVE-2022-21678 is a medium-severity vulnerability in Discourse Discourse, published on 13 Jan 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Discourse is an open source discussion platform. Prior to version 2.8.0.beta11 in the `tests-passed` branch, version 2.8.0.beta11 in the `beta` branch, and version 2.7.13 in the `stable` branch, the bios of users who made their profiles private were still visible in the `<meta>` tags on their users' pages. The problem is patched in `tests-passed` version 2.8.0.beta11, `beta` version 2.8.0.beta11, and `stable` version 2.7.13 of Discourse.
Which versions are affected by CVE-2022-21678?
1 open source package ship an affected version, including discourse. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
discourse Bitnami | All versions | 2.7.13 |
Products include Discourse Discourse.
How do I fix CVE-2022-21678?
Upgrade discourse to 2.7.13 or later.
Is CVE-2022-21678 being exploited?
There is no known exploitation of CVE-2022-21678 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-2022-21678, GHSA-jwww-46gv-564m.