CVE-2016-9459
Medium
Description
Nextcloud Server before 9.0.52 & ownCloud Server before 9.0.4 are vulnerable to a log pollution vulnerability potentially leading to a local XSS. The download log functionality in the admin screen is delivering the log in JSON format to the end-user. The file was delivered with an attachment disposition forcing the browser to download the document. However, Firefox running on Microsoft Windows would offer the user to open the data in the browser as an HTML document. Thus any injected data in the log would be executed.
SeverityMedium
CVSS6.1
Exploit probability—
Product
Nextcloud Server
PublishedMar 28, 2017
First seenMar 28, 2017
Weakness typeCWE-209CWE-209
How to fix
Update
- nextcloud nextcloud_server9.0.52 or later
- owncloud owncloud9.0.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| nextcloud nextcloud_server | v < 9.0.52 | 9.0.52 |
| owncloud owncloud | v < 9.0.4 | 9.0.4 |
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