Headline
CVE-2022-39279: Channel name and description susceptible to XSS
discourse-chat is a plugin for the Discourse message board which adds chat functionality. In versions prior to 0.9 some places render a chat channel’s name and description in an unsafe way, allowing staff members to cause an cross site scripting (XSS) attack by inserting unsafe HTML into them. Version 0.9 has addressed this issue. Users are advised to upgrade. There are no known workarounds for this issue.
Impact
Some places render a chat channel’s name and description in an unsafe way, allowing staff members to cause an XSS attack by inserting HTML into them.
Patches
Updating to the latest version of chat will have the patch to fix this.