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CVE-2018-3781

5.4 · MEDIUM

A missing sanitization of search results for an autocomplete field in NextCloud Talk <3.2.5 could lead to a stored XSS requiring user-interaction.

Published Aug 13, 2018CWE-79EPSS 0.74%

Overview

CVE-2018-3781 is a medium-severity vulnerability. It was published on August 13, 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 missing sanitization of search results for an autocomplete field in NextCloud Talk <3.2.5 could lead to a stored XSS requiring user-interaction. The missing sanitization only affected user names, hence malicious search results could only be crafted by authenticated users.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. 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.

References

Refhackerone.com/reports/383117Refnextcloud.com/security/advisory/?id=NC-SA-2018-009Refhackerone.com/reports/383117Refnextcloud.com/security/advisory/?id=NC-SA-2018-009

How CyberStrike helps

Frequently asked questions

What is CVE-2018-3781?

CVE-2018-3781 is a medium-severity vulnerability. It was published on August 13, 2018 and has a CVSS 3.0 base score of 5.4 (MEDIUM).

How severe is CVE-2018-3781?

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-2018-3781?

Check the references section for vendor advisories, patches, and mitigation guidance. 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-2018-3781?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2018-3781 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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