CVE-2022-39279
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.
Does this matter?
Lower severity and a low EPSS score (0.42%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 5.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 0.42% probability · 35th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- discourse/discourse-chat
- Source
- security-advisories@github.com
References
- https://github.com/discourse/discourse-chat/commit/25737733af48e5b9fa60b0561d7fde14bea13ccePatch, Third Party Advisory
- https://github.com/discourse/discourse-chat/security/advisories/GHSA-qp62-8m3c-9jgjThird Party Advisory
- https://github.com/discourse/discourse-chat/commit/25737733af48e5b9fa60b0561d7fde14bea13ccePatch, Third Party Advisory
- https://github.com/discourse/discourse-chat/security/advisories/GHSA-qp62-8m3c-9jgjThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.