Cross-site scripting in Nextcloud Server - CVE-2019-15618
Published: February 4, 2020 / Updated: July 17, 2020
Vulnerability identifier: #VU30390
CSH Severity: Low
CVSS v4: 2.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2019-15618
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote privileged user to read and manipulate data.
Missing escaping of HTML in the Updater of Nextcloud 15.0.5 allowed a reflected XSS when starting the updater from a malicious location.
Affected software
Nextcloud Server
How to mitigate CVE-2019-15618
Install update from vendor's website.
Nextcloud Server - update to 15.0.6