CVE-2017-0888

CVE-2017-0888 affects Nextcloud Server versions prior to 9.0.55 and prior to 10.0.2, with a Content-Spoofing vulnerability in the files app. The top navigation bar in the files list contains partially user-controllable input that can misrepresent information. Public sources in the connected recor...

CVE-2016-9459

CVE-2016-9459 affects Nextcloud Server < 9.0.52 and ownCloud Server

CVE-2017-0883

CVE-2017-0883 affects Nextcloud Server before 9.0.55 and 10.0.2, where a permission escalation in the OCS sharing API allows an authenticated user to reshare items with elevated permissions. The issue enables an attacker to edit files in a share despite having only read access for folders/files t...

CVE-2016-9463

This CVE affects Nextcloud Server prior to 9.0.54 and 10.0.1 and ownCloud Server prior to 9.1.2, 9.0.6, and 8.2.9. The issue is an SMB authentication backend that, when enabled, authenticates against an SMB server and incorrectly treats a connection to an SMB server with anonymous authentication ...

CVE-2017-0893

CVE-2017-0893 affects Nextcloud Server prior to 9.0.58, 10.0.5, and 11.0.3. A vulnerable JavaScript library used for sanitizing untrusted input enables a cross-site scripting (XSS) issue due to a Safari 10.1/10.2 behavior change. Nextcloud notes a strict Content-Security-Policy that mitigates exp...

CVE-2017-0887

CVE-2017-0887 affects Nextcloud Server before 9.0.55 and before 10.0.2, where an authenticated user can bypass quota limits due to improper sanitization of the OC-Total-Length HTTP header, allowing exceedance of configured quotas. The issue is documented across multiple sources (NVD/CNVD/OSV/Open...

CVE-2017-0895

The CVE-2017-0895 vulnerability affects Nextcloud Server before 10.0.4 and 11.0.2, where a logical error allows disclosure of calendar and addressbook names to other logged‑in users. No calendar/addressbook content is exposed. Affected versions are fixed in the NC-SA-2017-012 advisory, with Nextc...

CVE-2016-9464

CVE-2016-9464 concerns Nextcloud Server prior to 9.0.54 and 10.0.0, where an improper authorization check on removing shares exists. The Sharing Backend differentiates between user and group shares, but the previous API implementation could unshare a file for all users in a group when a group sha...

CVE-2017-0885

CVE-2017-0885 affects Nextcloud Server prior to 9.0.55 and 10.0.2. An error-message disclosure in write-only shares allows an adversary with access to enumerate existing files and subfolders by comparing exception messages. The issue is documented across multiple sources (Nextcloud advisory NC-SA...

CVE-2017-0884

CVE-2017-0884 affects Nextcloud Server prior to versions 9.0.55 and 10.0.2 . A logical error in the file caching layer allows an authenticated attacker who has at least read-only permissions to create empty folders inside a shared folder, i.e., a creation of folders in read-only folders despite l...

CVE-2017-0894

Nextcloud Server prior to 11.0.3 is affected by CVE-2017-0894 due to a logical error that discloses valid share tokens for public calendars, potentially letting an attacker access publicly shared calendars without the token. Affected product: Nextcloud Server; vulnerable component: calendar share...

CVE-2016-9467

CVE-2016-9467 involves content spoofing in the files app of Nextcloud Server and ownCloud Server. Affected versions: Nextcloud Server < 9.0.54 and 10.0.1; ownCloud Server

CVE-2017-0892

Affected software: Nextcloud Server (

CVE-2017-0891

Nextcloud Server (before 9.0.58, 10.0.5, and 11.0.3) is vulnerable to an inadequate escaping of error messages that leads to Reflected Cross-Site Scripting in multiple components. The provided documents designate this as CVE-2017-0891 and describe XSS in error handling; exploitation details are n...

CVE-2017-0890

Nextcloud Server vulnerability CVE-2017-0890 is a DOM-based XSS in the search dialogue caused by inadequate escaping. Affects Nextcloud Server versions prior to 11.0.3. Exploitation requires a user to input or paste malicious content into the search dialogue. The issue is confirmed through multip...

CVE-2016-9461

CVE-2016-9461 affects Nextcloud Server before 9.0.52 and ownCloud Server before 9.0.4. The vulnerability stems from improper verification of edit permissions on WebDAV COPY actions, where the WebDAV endpoint did not correctly check permissions during COPY. As a result, an authenticated attacker w...

CVE-2016-9466

CVE-2016-9466 is a reflected XSS in the Gallery application affecting Nextcloud Server before 10.0.1 and ownCloud Server before 9.0.6, with further versions 9.1.2 affected. The issue arises from the Gallery app not properly sanitizing exception messages generated by the Nextcloud/ownCloud server;...

CVE-2017-0886

CVE-2017-0886 affects Nextcloud Server. The vulnerability stems from an error in the application logic that allows an authenticated adversary to trigger an endless recursion, resulting in a Denial of Service. Impact is described as Denial of Service with potential for persistent unavailability. A...

CVE-2016-9465

CVE-2016-9465 affects Nextcloud Server < 10.0.1 and ownCloud Server

CVE-2016-9468

CVE-2016-9468 affects Nextcloud Server before 9.0.54 and 10.0.1 and ownCloud Server before 9.0.6 and 9.1.2. The vulnerability is a content spoofing issue in the dav app caused by an exception message that included partially user‑controllable input, potentially leading to misrepresentation of info...

CVE-2016-9462

Summary: CVE-2016-9462 affects Nextcloud Server before 9.0.52 and ownCloud Server before 9.0.4. The root cause is inadequate verification of restore privileges during file restoration, allowing a user with read-only access to revert to older versions. Affected components: Nextcloud Server (pre-9....