5.4med

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…

Published 9 y ago · modified 4 mo ago · JSON

CVSS
5.4
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.6%
percentile 51%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

0.64% probability of exploitation in the next 30 days, higher than 51% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.05.4CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
NVD2.03.5AV:N/AC:M/Au:S/C:N/I:P/A:N

Affected products

  • Nextcloud Nextcloud Server

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

  • nextcloud.com /security/advisory/?id=nc-sa-2017-010 · x_refsource_CONFIRM, x_transferred
  • hackerone.com /reports/222838 · x_refsource_MISC, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.