CVE-2018-3780

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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
hackeroneCNA
5.4 MEDIUM
NETWORK
LOW
LOW
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 68%
Affected Products (NVD)
VendorProductVersion
nextcloudnextcloud_server
𝑥
< 13.0.5
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
nextcloudnextcloud
13.0.5 <
CNA
Common Weakness Enumeration
References
https://hackerone.com/reports/383117
https://nextcloud.com/security/advisory/?id=NC-SA-2018-008
https://hackerone.com/reports/383117
https://nextcloud.com/security/advisory/?id=NC-SA-2018-008