CVE-2022-39279
4.3 · MEDIUMOverview
CVE-2022-39279 is a medium-severity vulnerability affecting discourse discourse-chat. It was published on October 6, 2022 and has a CVSS 3.1 base score of 4.3 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from discourse. Update discourse-chat to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| discourse | discourse-chat | >= 0, < 0.9 | Affected |
References
Frequently Asked Questions
What is CVE-2022-39279?
CVE-2022-39279 is a medium-severity vulnerability affecting discourse discourse-chat. It was published on October 6, 2022 and has a CVSS 3.1 base score of 4.3 (MEDIUM).
How severe is CVE-2022-39279?
This vulnerability has a CVSS 3.1 base score of 4.3, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2022-39279?
Check the references section for vendor advisories and patches from discourse. Update discourse-chat to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2022-39279?
CyberStrike's AI-powered security agents can automatically detect CVE-2022-39279 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
AI-driven PR review catches vulnerable dependencies before they ship.
Browser-based exploitation validates findings with real proof-of-concept.
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