Cross-site scripting in Nextcloud Server - CVE-2016-9465
Published: March 28, 2017 / Updated: July 18, 2020
Vulnerability identifier: #VU31428
CSH Severity: Low
CVSS v4.0: 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/E:U/U:Clear
CVE-ID: CVE-2016-9465
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Nextcloud
Affected software:
Nextcloud Server
Nextcloud Server
Detailed vulnerability description
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. A remote attacker can permanently inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
How to mitigate CVE-2016-9465
Update to version 10.0.1.
Sources
- https://github.com/nextcloud/server/commit/68ab8325c799d20c1fb7e98d670785176590e7d0
- https://github.com/owncloud/core/commit/6bf3be3877d9d9fda9c66926fe273fe79cbaf58e
- https://github.com/owncloud/core/commit/b5a5be24c418033cb2ef965a4f3f06b7b4213845
- https://hackerone.com/reports/163338
- https://nextcloud.com/security/advisory/?id=nc-sa-2016-008
- https://owncloud.org/security/advisory/?id=oc-sa-2016-018