CVE-2019-15612

A bug in Nextcloud Server 15.0.2 causes pending 2FA logins to not be correctly expired when the password of the user is reset...

Cross site scripting

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

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...

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...

Design/Logic Flaw

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

Design/Logic Flaw

A missing check in Nextcloud Server 17.0.0 allowed an attacker to set up a new second factor when trying to login...

Security feature bypass

Not strictly enough sanitization in the Nextcloud Android app 3.6.0 allowed an attacker to get content information from protected tables when using custom queries...

Design/Logic Flaw

A bug in Nextcloud Server 15.0.2 causes pending 2FA logins to not be correctly expired when the password of the user is reset...

CVE-2020-8118

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...

Design/Logic Flaw

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

Code injection

Exposure of Private Information in Nextcloud Server 16.0.1 causes the server to send it's domain and user IDs to the Nextcloud Lookup Server without any further data when the Lookup server is disabled...

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...

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...

Design/Logic Flaw

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

Code injection

A bug in Nextcloud Server 14.0.4 could expose more data in reshared link shares than intended by the sharer...

Input validation

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

Input validation

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...

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...

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...

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...