386 matches found
Missing brute force protection on password reset token
None...
Malicious Android app could access Shared Preferences of the Nextcloud Android client
None...
Missing rate limit on signup page (NC-SA-2020-033)
A missing rate limit in the Preferred Providers app 1.7.0 allowed an attacker to set the password an uncontrolled amount of times...
HTML injection in search UI when selecting a circle with HTML in the display name
None...
Insecure randomness for default password in file sharing when password policy app is disabled
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No password length restriction in reset password endpoint
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Profile of disabled user stays accessible
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Missing permission check on Deck API
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XSS in Talk
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Missing permission check on email metadata retrieval
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File path disclosure of shared files in OfficeOnline application
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End-to-end encryption device setup did not verify public key
None...
Stored XSS in markdown file with Nextcloud Talk using Internet Explorer (NC-SA-2021-002)
A missing link validation in Nextcloud Server 20.0.1 allowed to execute a stored XSS attack on Internet Explorer users by saving a javascript url in a Markdown...
SQL Injection in lookup-server (NC-SA-2019-010)
Improper sanitation of user input allowed any unauthenticated user to perform SQL injection attacks...
Missing brute force protection for passwords of password protected share links
None...
Bypass of image blocking in Nextcloud Mail
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Alias creation did not validate account ID
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ID4me does not validate signature or expiration
None...
XSS in Desktop Client in the notifications
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File path disclosure of shared files in Nextcloud Text application
None...
XSS in desktop client via invalid server address on login form (NC-SA-2020-027)
A cross-site scripting error in Nextcloud Desktop client 2.6.4 allowed to present any html including local links when responding with invalid data on the login attempt...
Group admins can create users with IDs of system folders (NC-SA-2019-015)
Improper Input Validation in Nextcloud Server 15.0.7 allows group admins to create users with IDs of system folders...
XSS in Contacts
None...
External storage credentials stored for wrong user (NC-SA-2021-004)
A missing user check in Nextcloud 20.0.5 and prior allowed to populate your own credentials for other users external storage configuration when they did not configure one yet...
Improper validation on OAuth2 token endpoint (NC-SA-2018-003)
Improper validation of input allowed an attacker with access to the OAuth2 refresh token to obtain new tokens...
Global credentials of external storages are sent back to the frontend
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Missing password confirmation when changing external storage options
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Require strict cookies for image proxy requests
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OAuth2 client_secret stored in plain text in the database
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Initialization vector reuse in end-to-end encryption allows a malicious server admin to break manipulate and access files
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Disabled download shares still allow download through preview images
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Missing brute force protection on cloud federation sharing
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Ratelimiting can be bypassed using IPv6 subnets
None...
PIN for passwordless WebAuthn is asked for but not verified (NC-SA-2020-037)
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...
Improper permission preservation on reshares (NC-SA-2020-012)
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...
Read-only share recipient can restore old versions of file (NC-SA-2016-005)
The restore capability of Nextcloud was not verifying whether an user has only read-only access to a share. Thus an user with read-only access was able to restore old versions...
Rate limiter not working reliable when Memcached is installed
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SSL certificate was not validated in Provider Registration Flow
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Users can delete old versions of read-only shared files
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Can download "view-only" files with the Files ZIP app
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Inviting excessive long email addresses to a calendar event makes the server unresponsive
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Lack of authenticity of metadata keys allows a malicious server to gain access to E2EE folders
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Reference fetch can saturate the server bandwidth for 10 seconds
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End to end encryption folder locking is not properly protected
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External storage app saves password for all users in the database (NC-SA-2021-006)
A missing condition in Nextcloud Server 19 and prior caused the external storage app to always store the users password in a recoverable format...
Missing permission check when removing a photo from an album
None...
Password of talk conversations can be bruteforced
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nextcloudcmd incorrectly trusts bad TLS certificates
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Missing URL validation allowed RCE for the server on the Desktop client (NC-SA-2021-008)
Missing validation of URLs in Nextcloud Desktop Client 3.1.2 and earlier allowed a malicious server to execute code on the client. User interaction was required...
Reflected XSS when renaming malicious file (NC-SA-2021-005)
Missing sanitization in Nextcloud Server 20.0.5 and prior allowed to perform a reflected XSS when saving html as file name and causing an error on rename e.g. by renaming to an existing file. The risk is mostly mitigated due to the strict Content-Security-Policy CSP of Nextcloud, and thus mainly...