Cross-site scripting in Nextcloud Server - CVE-2017-7855
Published: August 31, 2017 / Updated: August 8, 2020
Vulnerability identifier: #VU38373
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2017-7855
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to read and manipulate data.
In the webmail component in IceWarp Server 11.3.1.5, there was an XSS vulnerability discovered in the "language" parameter.
Affected software
Nextcloud Server
How to mitigate CVE-2017-7855
Install update from vendor's website.