Cross site scripting

A reflected Cross-Site Scripting vulnerability in Nextcloud Server 16.0.1 was discovered in the svg generation...

Design/Logic Flaw

Violation of Secure Design Principles in the iOS App 2.23.0 causes the app to leak its login and token to other Nextcloud services when search e.g. for federated users or registering for push notifications...

Input validation

Improper preservation of permissions in Nextcloud Server 14.0.3 causes the event details to be leaked when sharing a non-public event...

Input validation

Improper neutralization of file names, conversation names and board names in Nextcloud Server 16.0.3, Nextcloud Talk 6.0.3 and Nextcloud Deck 0.6.5 causes an XSS when linking them with each others in a project...

Server side request forgery (ssrf)

An authenticated server-side request forgery in Nextcloud server 16.0.1 allowed to detect local and remote services when adding a new subscription in the calendar application...

Authorization

Improper authorization in Nextcloud server 17.0.0 causes leaking of previews and files when a file-drop share link is opened via the gallery app...

Cross site scripting

Missing escaping of HTML in the Updater of Nextcloud 15.0.5 allowed a reflected XSS when starting the updater from a malicious location...

Improper access control

Improper access control in Nextcloud Talk 6.0.3 leaks the existance and the name of private conversations when linked them to another shared item via the projects feature...

Input validation

Improper Input Validation in Nextcloud Server 15.0.7 allows group admins to create users with IDs of system folders...

CVE-2019-15613

A bug in Nextcloud Server 17.0.1 causes the workflow rules to depend their behaviour on the file extension when checking file mimetypes...

CVE-2019-15612

Nextcloud Server 15.0.2 is affected by CVE-2019-15612, where 2FA sessions are not properly expired after a user password reset. The issue is described as a bug in Nextcloud Server 15.0.2 that leaves pending 2FA logins active after password changes. Public references include the NVD entry and the ...

CVE-2019-15624

Improper Input Validation in Nextcloud Server 15.0.7 allows group admins to create users with IDs of system folders...

CVE-2019-15621

Improper permissions preservation in Nextcloud Server 16.0.1 causes sharees to be able to reshare with write permissions when sharing the mount point of a share they received, as a public link...

CVE-2019-15611

CVE-2019-15611 affects the iOS Nextcloud App (version 2.23.0) and is due to a violation of Secure Design Principles that causes the app to disclose login credentials and access tokens to other Nextcloud services during user search (e.g., federated users) or push-notification registration. The iss...

CVE-2019-15619

Improper neutralization of file names, conversation names and board names in Nextcloud Server 16.0.3, Nextcloud Talk 6.0.3 and Nextcloud Deck 0.6.5 causes an XSS when linking them with each others in a project...

CVE-2019-15620

Improper access control in Nextcloud Talk 6.0.3 leaks the existance and the name of private conversations when linked them to another shared item via the projects feature...

CVE-2019-15616

CVE-2019-15616 affects Nextcloud Server (notably Nextcloud Server 16) where dangling remote share attempts can cause DNS pollution when the system runs for extended periods. Public sources describe the vulnerability as a DNS pollution condition resulting from improper handling of remote shares. T...

CVE-2020-8122

A missing check in Nextcloud Server 14.0.3 could give recipient the possibility to extend the expiration date of a share they received...

CVE-2019-15619

CVE-2019-15619 affects Nextcloud Suite components: Nextcloud Server 16.0.3, Nextcloud Talk 6.0.3, and Nextcloud Deck 0.6.5. The root cause is improper neutralization of file names, conversation names and board names, leading to cross-site scripting when linking these items within a project. Docum...

CVE-2019-15616

Dangling remote share attempts in Nextcloud 16 allow a DNS pollution when running long...