CVE-2017-0893

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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
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
hackeroneCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 45%
VendorProductVersion
nextcloudnextcloud_server
𝑥
< 9.0.58
nextcloudnextcloud_server
10.0.0 ≤
𝑥
< 10.0.5
nextcloudnextcloud_server
11.0.0 ≤
𝑥
< 11.0.3
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://hackerone.com/reports/222838
https://nextcloud.com/security/advisory/?id=nc-sa-2017-010
https://hackerone.com/reports/222838
https://nextcloud.com/security/advisory/?id=nc-sa-2017-010