CVE-2016-9466: nextcloud nextcloud_server Cross-site Scripting
Vulnerability summary
CVE-2016-9466 is a medium (CVSS 6.1) Cross-site Scripting vulnerability in nextcloud nextcloud_server. EPSS estimates a 1.66% chance of exploitation in the next 30 days, higher than 76.2% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 28-03-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
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.
CVSS metrics
2 scores · 1 source · 2 versionsEPSS trend
Probability
1.66%
Chance of exploitation in the next 30 days
Percentile
76%
Versus all other CVEs
30-day change
0.00 pp
From 1.66% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (hackerone.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Nextcloud1 product
- nextcloud_server≥ 10.0.0, < 10.0.1
Owncloud1 product
- owncloud≥ 9.0.0, < 9.0.6 | ≥ 9.1.0, < 9.1.2
2 vendors · 2 products
References
6 links- github.com/nextcloud/gallery/commit/f9ef505c1d60c9041e251682e0f6b3daad952d58X Refsource MISCIssue TrackingPatchThird Party Advisory
- github.com/owncloud/gallery/commit/dc4887f1afcc0cf304f4a0694075c9364298ad8aX Refsource MISCIssue TrackingPatchThird Party Advisory
- github.com/owncloud/gallery/commit/b3b3772fb9bec61ba10d357bef42b676fa474eeeX Refsource MISCIssue TrackingPatchThird Party Advisory