Vulnerabilities > Nextcloud > Nextcloud Server > Medium
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2021-03-03 | CVE-2021-22878 | Cross-site Scripting vulnerability in multiple products Nextcloud Server prior to 20.0.6 is vulnerable to reflected cross-site scripting (XSS) due to lack of sanitization in `OC.Notification.show`. | 4.8 |
| 2021-03-03 | CVE-2021-22877 | Missing Authorization vulnerability in multiple products 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. | 6.5 |
| 2021-03-03 | CVE-2020-8296 | Weak Password Requirements vulnerability in multiple products Nextcloud Server prior to 20.0.0 stores passwords in a recoverable format even when external storage is not configured. | 6.7 |
| 2021-01-26 | CVE-2020-8295 | Resource Exhaustion vulnerability in Nextcloud Server A wrong check in Nextcloud Server 19 and prior allowed to perform a denial of service attack when resetting the password for a user. | 5.0 |
| 2021-01-26 | CVE-2020-8293 | Resource Exhaustion vulnerability in Nextcloud Server 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. | 4.0 |
| 2020-11-16 | CVE-2020-8259 | Insufficiently Protected Credentials vulnerability in Nextcloud Server Insufficient protection of the server-side encryption keys in Nextcloud Server 19.0.1 allowed an attacker to replace the encryption keys. | 5.5 |
| 2020-11-09 | CVE-2020-8133 | Improper Verification of Cryptographic Signature vulnerability in Nextcloud Server 19.0.1 A wrong generation of the passphrase for the encrypted block in Nextcloud Server 19.0.1 allowed an attacker to overwrite blocks in a file. | 5.3 |
| 2020-11-02 | CVE-2020-8236 | Improper Authentication vulnerability in Nextcloud Server 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. | 4.6 |
| 2020-11-02 | CVE-2020-8183 | Insufficiently Protected Credentials vulnerability in Nextcloud Server A logic error in Nextcloud Server 19.0.0 caused a plaintext storage of the share password when it was given on the initial create API call. | 5.0 |
| 2020-10-05 | CVE-2020-8223 | Improper Privilege Management vulnerability in multiple products A logic error in Nextcloud Server 19.0.0 caused a privilege escalation allowing malicious users to reshare with higher permissions than they got assigned themselves. | 6.5 |