CVE-2017-0890

Nextcloud Server before 11.0.3 is vulnerable to an inadequate escaping leading to a XSS vulnerability in the search module. To be exploitable a user has to write or paste malicious content into the search dialogue.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
hackeroneCNA
5.4 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 48%
Affected Products (NVD)
VendorProductVersion
nextcloudnextcloud_server
𝑥
< 11.0.3
𝑥
= Vulnerable software versions
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
nextcloudnextcloud
𝑥
< 11.0.3
CNA
Common Weakness Enumeration
References
https://hackerone.com/reports/213227
https://nextcloud.com/security/advisory/?id=nc-sa-2017-007
https://hackerone.com/reports/213227
https://nextcloud.com/security/advisory/?id=nc-sa-2017-007