CVE-2018-13879
5.4 · MEDIUMOverview
CVE-2018-13879 is a medium-severity vulnerability affecting rocket.chat rocket.chat. It was published on July 11, 2018 and has a CVSS 3.0 base score of 5.4 (MEDIUM).
This vulnerability has a CVSS 3.0 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
A reflected XSS issue was discovered in the registration form in Rocket.Chat before 0.66. When one creates an account, the next step will ask for a username. This field will not save HTML control characters but an error will be displayed that shows the attempted username unescaped via packages/rocketchat-ui-login/client/username/username.js in packages/rocketchat-ui-login/client/username/username.html.
Remediation
Check the references section for vendor advisories and patches from rocket.chat. Update rocket.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 |
|---|---|---|---|
| rocket.chat | rocket.chat | >= 0, < 0.66 | Affected |
Frequently Asked Questions
What is CVE-2018-13879?
CVE-2018-13879 is a medium-severity vulnerability affecting rocket.chat rocket.chat. It was published on July 11, 2018 and has a CVSS 3.0 base score of 5.4 (MEDIUM).
How severe is CVE-2018-13879?
This vulnerability has a CVSS 3.0 base score of 5.4, 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-2018-13879?
Check the references section for vendor advisories and patches from rocket.chat. Update rocket.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-2018-13879?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-13879 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.
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