CVE-2016-9466: XSS
First published: Tue Mar 28 2017(Updated: )
Nextcloud Server before 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2 suffer from Reflected XSS in the Gallery application. The gallery app was not properly sanitizing exception messages from the Nextcloud/ownCloud server. Due to an endpoint where an attacker could influence the error message, this led to a reflected Cross-Site-Scripting vulnerability.
Credit: support@hackerone.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Nextcloud Server | >=10.0.0<10.0.1 | |
| ownCloud | >=9.0.0<9.0.6 | |
| ownCloud | >=9.1.0<9.1.2 |
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Reference Links
- https://github.com/nextcloud/gallery/commit/f9ef505c1d60c9041e251682e0f6b3daad952d58
- https://github.com/owncloud/gallery/commit/b3b3772fb9bec61ba10d357bef42b676fa474eee
- https://github.com/owncloud/gallery/commit/dc4887f1afcc0cf304f4a0694075c9364298ad8a
- https://hackerone.com/reports/165686
- https://nextcloud.com/security/advisory/?id=nc-sa-2016-009
- https://owncloud.org/security/advisory/?id=oc-sa-2016-019
Frequently Asked Questions
What is the severity of CVE-2016-9466?
CVE-2016-9466 is classified as a medium severity vulnerability due to the potential for reflected XSS attacks.
How do I fix CVE-2016-9466?
To fix CVE-2016-9466, upgrade to Nextcloud Server version 10.0.1 or ownCloud Server versions 9.0.6 or 9.1.2 or later.
What applications are affected by CVE-2016-9466?
CVE-2016-9466 affects Nextcloud Server versions before 10.0.1 and ownCloud Server versions before 9.0.6 and 9.1.2.
What type of vulnerability is CVE-2016-9466?
CVE-2016-9466 is a reflected cross-site scripting (XSS) vulnerability in the Gallery application.
What causes CVE-2016-9466?
CVE-2016-9466 is caused by improper sanitization of exception messages in the Gallery application, allowing attackers to manipulate error messages.
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- vendor/nextcloud
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- version/nextcloud server/10.0.0
- vendor/owncloud
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- version/owncloud/9.1.0