CVE-2022-36057 Discourse-Chat Cross-Site Scripting issue for channel names and descriptions
Admins can inject HTML into chat titles and descriptions, leading to Cross-Site Scripting attacks against users of the Discourse Chat plugin.
- 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
- None listed
What is CVE-2022-36057?
CVE-2022-36057 is a medium-severity cross-site scripting vulnerability in discourse-chat, published on 6 Sep 2022. 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-Chat is an asynchronous messaging plugin for the Discourse open-source discussion platform. Users of Discourse Chat can be affected by admin users inserting HTML into chat titles and descriptions, causing a Cross-Site Scripting (XSS) attack. Version 0.9 contains a patch for this issue.
Which versions are affected by CVE-2022-36057?
It affects 1 product.
Products include Discourse Discourse-Chat.
How do I fix CVE-2022-36057?
No fix has been published for CVE-2022-36057 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2022-36057 being exploited?
There is no known exploitation of CVE-2022-36057 in the wild and no public exploit code.