CVE-2022-36057

Name: CVE-2022-36057
Creator: NVD / NIST
Published: 2022-09-06T20:15:08.873+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2022-36057 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. 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. EPSS estimates a 0.39% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

4.8/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.39%

30.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Discourse	Discourse-Chat	< 0.9

References

https://github.com/discourse/discourse-chat/pull/1205Patch, Third Party Advisory
https://github.com/discourse/discourse-chat/security/advisories/GHSA-3vf2-wrjx-p6xjThird Party Advisory
https://github.com/discourse/discourse-chat/pull/1205Patch, Third Party Advisory
https://github.com/discourse/discourse-chat/security/advisories/GHSA-3vf2-wrjx-p6xjThird Party Advisory

Timeline

Published: Sep 6, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-36057?

How severe is CVE-2022-36057?

CVE-2022-36057 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2022-36057?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-36057?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST