XSS in Nextcloud Server
CVE-2016-9466
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.017 (75.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
- Nextcloud Server
- ownCloud
- Nextcloud Server & ownCloud Before 10.0.1 9.0.6 And 9.1.2 — versions Nextcloud Server & ownCloud Server Nextcloud Server before 10.0.1 & ownCloud Server before 9.0.6 and 9.1.2
Weakness classification (CWE)
References
- nextcloud.com/security/advisory/ (Patch, Vendor Advisory)
- github.com/nextcloud/gallery/commit/f9ef505c1d60c9041e251682e0f6b3daad952d58 (Patch, Third Party Advisory, Issue Tracking)
- hackerone.com/reports/165686 (Exploit, Third Party Advisory)
- owncloud.org/security/advisory/ (Patch, Vendor Advisory)
- github.com/owncloud/gallery/commit/dc4887f1afcc0cf304f4a0694075c9364298ad8a (Patch, Third Party Advisory, Issue Tracking)
- github.com/owncloud/gallery/commit/b3b3772fb9bec61ba10d357bef42b676fa474eee (Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2016-9466?
- CVE-2016-9466 is a medium-severity vulnerability in Nextcloud Server, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-03-28.
- How severe is CVE-2016-9466?
- Medium severity. CVSS v3 base score is 6.1 out of 10.