Nextcloud Server is a Nextcloud package that handles data storage. Nextcloud Server versions prior to 19.0.11, 20.0.10, or 21.0.2 send user IDs to the lookup server even if the user has no fields set to published. The vulnerability is patched in versions 19.0.11, 20.0.10, and 21.0.2; no workarounds outside the updates are known to exist.

Nextcloud Server is a Nextcloud package that handles data storage. Nex ...

Nextcloud server before 19.0.11, 20.0.10, 21.0.2 is vulnerable to brute force attacks due to lack of inclusion of IPv6 subnets in rate-limiting considerations. This could potentially result in an attacker bypassing rate-limit controls such as the Nextcloud brute-force protection.

Nextcloud server before 19.0.11, 20.0.10, 21.0.2 is vulnerable to brut ...

Nextcloud Server prior to 20.0.6 is vulnerable to reflected cross-site scripting (XSS) due to lack of sanitization in `OC.Notification.show`.

Nextcloud Server prior to 20.0.6 is vulnerable to reflected cross-site ...

A missing user check in Nextcloud prior to 20.0.6 inadvertently populates a user's own credentials for other users external storage configuration when not already configured yet.

A missing user check in Nextcloud prior to 20.0.6 inadvertently popula ...

Nextcloud Server prior to 20.0.0 stores passwords in a recoverable format even when external storage is not configured.

Nextcloud Server prior to 20.0.0 stores passwords in a recoverable for ...

A wrong check in Nextcloud Server 19 and prior allowed to perform a denial of service attack when resetting the password for a user.

A wrong check in Nextcloud Server 19 and prior allowed to perform a de ...

A missing link validation in Nextcloud Server before 20.0.2, 19.0.5, 18.0.11 allows execution of a stored XSS attack using Internet Explorer when saving a 'javascript:' URL in markdown format.

A missing link validation in Nextcloud Server before 20.0.2, 19.0.5, 1 ...

A missing input validation in Nextcloud Server before 20.0.2, 19.0.5, 18.0.11 allows users to store unlimited data in workflow rules causing load and potential DDoS on later interactions and usage with those rules.

A missing input validation in Nextcloud Server before 20.0.2, 19.0.5, ...

Insufficient protection of the server-side encryption keys in Nextcloud Server 19.0.1 allowed an attacker to replace the encryption keys.

Insufficient protection of the server-side encryption keys in Nextclou ...

A wrong configuration in Nextcloud Server 19.0.1 incorrectly made the user feel the passwordless WebAuthn is also a two factor verification by asking for the PIN of the passwordless WebAuthn but not verifying it.

A wrong configuration in Nextcloud Server 19.0.1 incorrectly made the ...