CVE-2018-3780

Description

A missing sanitization of search results for an autocomplete field in NextCloud Server <13.0.5 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.

Category

5.4
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.35%
Vendor Advisory nextcloud.com
Affected: NextCloud nextcloud/server
Published at:
Updated at:

References

Link Tags
https://nextcloud.com/security/advisory/?id=NC-SA-2018-008 vendor advisory
https://hackerone.com/reports/383117 third party advisory

Frequently Asked Questions

What is the severity of CVE-2018-3780?
CVE-2018-3780 has been scored as a medium severity vulnerability.
How to fix CVE-2018-3780?
To fix CVE-2018-3780, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2018-3780 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2018-3780 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2018-3780?
CVE-2018-3780 affects NextCloud nextcloud/server.
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