CVE-2023-36466 Topic Title Validation Skipped When Changing Category in Discourse
Attackers can bypass topic title validation rules in Discourse by changing the category during editing, allowing invalid titles.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2023-36466?
CVE-2023-36466 is a low-severity vulnerability in Discourse Discourse, published on 14 Jul 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Discourse is an open source discussion platform. When editing a topic, there is a vulnerability that enables a user to bypass the topic title validations for things like title length, number of emojis in title and blank topic titles. The issue is patched in the latest stable, beta and tests-passed version of Discourse.
Which versions are affected by CVE-2023-36466?
1 open source package ship an affected version, including discourse. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
discourse Bitnami | All versions | 3.0.5 |
Products include Discourse Discourse.
How do I fix CVE-2023-36466?
Upgrade discourse to 3.0.5 or later.
Is CVE-2023-36466 being exploited?
There is no known exploitation of CVE-2023-36466 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-2023-36466, GHSA-4hjh-wg43-p932.