Vulnerability · Published Sep 6, 2022 · Assigned by GitHub_M

CVE-2022-36057Discourse-Chat Cross-Site Scripting issue for channel names and descriptions

Medium 5.4

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).

Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.5%top 56.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

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.

Affected products (as reported)

VendorProductVersions
discourse discourse-chat < 0.9

Weakness: CWE-80, CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

References