Vulnerability · Published Oct 6, 2022 · Assigned by GitHub_M
CVE-2022-39279Discourse-chat plugin susceptible to XSS in channel name and description
Medium 4.3
In plain English
A medium-severity cross-site scripting in discourse-chat from discourse. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities).
Official description
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| discourse | discourse-chat | < 0.9 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L