Description
Nextcloud Server before 9.0.58 and 10.0.5 and 11.0.3 are shipping a vulnerable JavaScript library for sanitizing untrusted user-input which suffered from a XSS vulnerability caused by a behaviour change in Safari 10.1 and 10.2. Note that Nextcloud employs a strict Content-Security-Policy preventing exploitation of this XSS issue on modern web browsers.
References (2)
Core 2
Core References
Vendor Advisory x_refsource_confirm
https://nextcloud.com/security/advisory/?id=nc-sa-2017-010
Third Party Advisory, VDB Entry x_refsource_misc
https://hackerone.com/reports/222838
Scores
CVSS v3
5.4
EPSS
0.0031
EPSS Percentile
54.5%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Details
CWE
CWE-79
Status
published
Products (2)
Nextcloud/Nextcloud Server
before 9.0.58 and 10.0.5 and 11.0.3
nextcloud/nextcloud_server
< 9.0.58
Published
May 08, 2017
Tracked Since
Feb 18, 2026