CVE-2018-3764
4.8 · MEDIUMOverview
CVE-2018-3764 is a medium-severity vulnerability affecting nextcloud contacts. It was published on July 5, 2018 and has a CVSS 3.1 base score of 4.8 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 4.8, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
In Nextcloud Contacts before 2.1.2, a missing sanitization of search results for an autocomplete field could lead to a stored XSS requiring user-interaction. The missing sanitization only affected group names, hence malicious search results could only be crafted by privileged users like admins or group admins.
Remediation
Check the references section for vendor advisories and patches from nextcloud. Update contacts 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 |
|---|---|---|---|
| nextcloud | contacts | >= 0, < 2.1.2 | Affected |
Frequently Asked Questions
What is CVE-2018-3764?
CVE-2018-3764 is a medium-severity vulnerability affecting nextcloud contacts. It was published on July 5, 2018 and has a CVSS 3.1 base score of 4.8 (MEDIUM).
How severe is CVE-2018-3764?
This vulnerability has a CVSS 3.1 base score of 4.8, 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-2018-3764?
Check the references section for vendor advisories and patches from nextcloud. Update contacts 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-2018-3764?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-3764 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.
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