XSS in Nextcloud Server

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 N…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (54.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-0893?
CVE-2017-0893 is a medium-severity vulnerability in Nextcloud Server, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2017-05-08.
How severe is CVE-2017-0893?
Medium severity. CVSS v3 base score is 5.4 out of 10.
Is CVE-2017-0893 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.