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OpenAdvisories

Vendor

Nextcloud

306 known vulnerabilities.

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  • Low 3.5

    A public shared collective always allowed recipients of the link to create pages.

  • Low 3.5

    A missing token type check allowed to retrieve more additional information about the WOPI configuration with a user or …

  • Low 3.3

    The Tables app's share-listing endpoint (GET /apps/tables/share/table/{tableId}) did not verify that the requesting use…

  • Low 2.4

    The emoji field in the page emoji update endpoint does not properly validate user input. By injecting long text and lin…

  • Low 3.1

    After guessing a 62^15 complex unique identifier, a malicious logged in user was able to retrieve a list of memberships…

  • Low 3.3

    Nextcloud: Open Redirect in user_oidc login flow via protocol-relative URL bypass

    Nextcloud is an open source content collaboration platform. From version 6.1.0 to before version 8.2.2, an attacker can craft links that would redirect users to another website, when the victim uses the attackers link to log in via user OIDC. This issue has b…

  • Low 3.3

    Nextcloud: Information disclosure in Nextcloud Approval app via fileId parameter reveals workflow associations

    Nextcloud is an open source content collaboration platform. Prior to version 2.7.2, authenticated users can check if arbitrary files are associated with specific approval workflows where they can request approval. This issue has been patched in version 2.7.2.

  • Low 3.5

    Nextcloud: Unauthorized force-mute from missing permission check when using internal signaling

    Nextcloud is an open source content collaboration platform. Prior to versions 21.1.10, 22.0.11, and 23.0.3, a low-privileged user can force other user's microphones to be muted in calls when no High-performance Backend is installed. This issue has been patche…

  • Low 3.5

    Nextcloud: Files drop share links for end-to-end encrypted folders allowed to drop files into other folders of the share owner

    Nextcloud is an open source content collaboration platform. From versions 1.15.0 to before 1.15.4, 1.16.0 to before 1.16.3, 1.17.0 to before 1.17.1, and 1.18.0 to before 1.18.1, a malicious user with access to an end-to-end encrypted files drop link was able …

  • Low 2.6

    Nextcloud: Private circle can be added to another circle via API

    Nextcloud is an open source content collaboration platform. In Nextcloud Server from versions 32.0.0 to before 32.0.7 and 33.0.0 to before 33.0.1, a missing access check on API level allowed to add unknown circles by their ID directly to other circles. Since …

  • Low 2.6

    Nextcloud: Improper Access Control in Collectives

    Nextcloud is an open source content collaboration platform. From version 2.6.0 to before version 4.3.0, when a previous collective pages was deleted and the collective was shared view-only, guests with access to the collective were able to access the deleted …

  • Low 2.3

    Nextcloud News: Authenticated blind SSRF via feed URL

    Nextcloud News is an RSS/Atom feed reader. Prior to 28.3.0-beta.1, Nextcloud News allows authenticated users to add feeds by providing a feed URL (via the web interface or the API). In affected versions, an authenticated attacker could provide a URL pointing …

  • Low 3.1

    Nextcloud Twofactor WebAuthn app was updated based on public key

    Nextcloud Twofactor WebAuthn is the WebAuthn Two-Factor Provider for Nextcloud. Prior to 1.4.2 and 2.4.1, a missing ownership check allowed an attack to take-away a 2FA webauthn device when correctly guessing a 80-128 character long random string of letters, …

  • Low 3.5

    Nextcloud talk allows participants to blindly delete poll drafts of other users by ID

    Nextcloud talk is a video & audio conferencing app for Nextcloud. Prior to 20.1.8 and 21.1.2, a participant with chat permissions was able to delete poll drafts of other participants within the conversation based on their numeric ID. This vulnerability is fix…

  • Low 3.5

    Nextcloud Contacts vulnerable to Stored XSS in contacts app via organisation and title field

    Contacts app for Nextcloud easily syncs contacts from various devices with your Nextcloud and allows editing. Prior to 5.5.4, 6.0.6, and 7.2.5, a malicious user was able to modify their organisation and title field to load additional CSS files. Javascript and…

  • Low 2.4

    Nextcloud Desktop discloses information when attempting to lock a file inside a end-to-end encrypted directory

    Nextcloud Desktop is the desktop sync client for Nextcloud. Prior to 3.16.5, when trying to manually lock a file inside an end-to-end encrypted directory, the path of the file was sent to the server unencrypted, making it possible for administrators to see it…

  • Low 3.5

    Nextcloud Groupfolders users with read-only permissions for team folder can restore deleted files from trash bin

    Nextcloud Groupfolders provides admin-configured folders shared by everyone in a group or team. Prior to 14.0.11, 15.3.12, 16.0.15, 17.0.14, 18.1.8, 19.1.8, and 20.1.2, a user with read-only permission can restore a file from the trash bin. This vulnerability…

  • Low 2.7

    Nextcloud Approval app allows users to request approval for other users file

    The Nextcloud Approval app allows approval or disapproval of files in the sidebar. Prior to 1.3.1 and 2.5.0, an authenticated user listed as a requester in a workflow can set another user’s file into the “pending approval” without access to the file by using …

  • Low 3.5

    Nextcloud Mail stored HTML injection in subject text

    Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. Prior to 5.5.3, a stored HTML injection in the Mail app's message list allowed an authenticated user to inject HTML into the email subjects. Javascript was correctly blocked by…

  • Low 3.3

    Nextcloud Deck app allows to spoof file extensions by using RTLO characters

    Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. Prior to 1.12.7, 1.14.4, and 1.15.1, file extension can be spoofed by using RTLO characters, tricking users into downlo…

  • Low 3.3

    Nextcloud Calendar app allowed booking appointments without the generated token

    Nextcloud Calendar is a calendar app for Nextcloud. Prior to 4.7.19, 5.5.6, and 6.0.1, the calendar app allowed blindly booking appointments with a squential ID without known the appointment token. This vulnerability is fixed in 4.7.19, 5.5.6, and 6.0.1.

  • Low 2.6

    Nextcloud Server vulnerable to insecure temporary file creation, race with write access and permission

    Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 29.0.13, 30.0.7, and 31.0.1 and Nextcloud Enterprise Server prior to 26.0.13.13, 27.1.11.13, 28.0.14.4, 29.0.13, 30.0.7, and 31.0.1, an attacker on a multi-user system may r…

  • Low 3.5

    Nextcloud Mail app does not respect download permissions in shares

    Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. The Nextcloud mail app incorrectly allowed attaching shared files without download permissions as attachments. This allowed users to send them the files to themselves and then …

  • Low 3.5

    Share information of the Nextcloud Tables app is not limited to affected users

    Nextcloud Tables allows users to to create tables with individual columns. The information which Table (numeric ID) is shared with which groups and users and the respective permissions was not limited to affected users. It is recommended that the Nextcloud Ta…

  • Low 3.3

    Nextcloud User OIDC has an open redirection when logging in with User OIDC

    user_oidc app is an OpenID Connect user backend for Nextcloud. A malicious user could send a malformed login link that would redirect the user to a provided URL after successfully authenticating. It is recommended that the Nextcloud User OIDC app is upgraded …

  • Low 2.6

    Nextcloud Server's Attachments folder for Text app is accessible on "Files drop" and "Password protected" shares

    Nextcloud Server is a self hosted personal cloud system. After receiving a "Files drop" or "Password protected" share link a malicious user was able to download attachments that are referenced in Text files without providing the password. It is recommended th…

  • Low 3.0

    Nextcloud Server's shares are not removed when user is limited to share with in their groups and being removed from one of them

    Nextcloud Server is a self hosted personal cloud system. When a server is configured to only allow sharing with users that are in ones own groups, after a user was removed from a group, previously shared items were not unshared. It is recommended that the Nex…

  • Low 2.7

    Nextcloud Server's OAuth2 client secrets were stored in a recoverable way

    Nextcloud Server is a self hosted personal cloud system. The OAuth2 client secrets were stored in a recoverable way, so that an attacker that got access to a backup of the database and the Nextcloud config file, would be able to decrypt them. It is recommende…

  • Low 2.6

    Nextcloud Server has a potential hash collision for background jobs could skip queuing them

    Nextcloud Server is a self hosted personal cloud system. MD5 hashes were used to check background jobs for their uniqueness. This increased the chances of a background job with arguments falsely being identified as already existing and not be queued for execu…

  • Low 1.8

    Nextcloud Server User password is available in memory of the PHP process

    Nextcloud Server is a self hosted personal cloud system. Under certain conditions the password of a user was stored unencrypted in the session data. The session data is encrypted before being saved in the session storage (Redis or disk), but it would allow a …

  • Low 3.5

    Nextcloud Server's events information leaked with shared calendars on recurrence exceptions

    Nextcloud Server is a self hosted personal cloud system. Private shared calendar events' recurrence exceptions can be read by sharees. It is recommended that the Nextcloud Server is upgraded to 27.1.10 or 28.0.6 or 29.0.1 and that the Nextcloud Enterprise Ser…

  • Low 3.8

    Code injection in Nextcloud Desktop Client for macOS

    The Nextcloud Desktop Client is a tool to synchronize files from Nextcloud Server with your computer. A code injection in Nextcloud Desktop Client for macOS allowed to load arbitrary code when starting the client with DYLD_INSERT_LIBRARIES set in the envirome…

  • Low 3.5

    Nextcloud Server's users can delete old versions of read-only shared files

    Nextcloud Server is a self hosted personal cloud system. A malicious user was able to send delete requests for old versions of files they only got shared with read permissions. It is recommended that the Nextcloud Server is upgraded to 26.0.12 or 27.1.7 or 28…

  • Low 3.5

    Nextcloud Server's read-only users can restore old versions

    Nextcloud Server is a self hosted personal cloud system. An attacker with read-only access to a file is able to restore older versions of a document when the files_versions app is enabled. It is recommended that the Nextcloud Server is upgraded to 26.0.12, 27…

  • Low 3.5

    Nextcloud Photos' shared albums have no restriction on photo removal

    Nextcloud Photos is a photo management app. Users can remove photos from the album of registered users. It is recommended that the Nextcloud Server is upgraded to 25.0.7 or 26.0.2 and the Nextcloud Enterprise Server is upgraded to 25.0.7 or 26.0.2.

  • Low 3.0

    OAuth2 authorization codes are valid indefinetly in Nextcloud server

    Nextcloud server is a self hosted personal cloud system. In affected versions OAuth codes did not expire. When an attacker would get access to an authorization code they could authenticate at any time using the code. As of version 28.0.0 OAuth codes are inval…

  • Low 3.1

    Open redirect in user_saml via RelayState parameter in Nextcloud User Saml

    Nextcloud User Saml is an app for authenticating Nextcloud users using SAML. In affected versions users can be given a link to the Nextcloud server and end up on a uncontrolled thirdparty server. It is recommended that the User Saml app is upgraded to version…

  • Low 3.5

    Calendar app returns full stacktrace when an error happens while editing appointment

    Nextcloud/Cloud is a calendar app for Nextcloud. An attacker can gain access to stacktrace and internal paths of the server when generating an exception while editing a calendar appointment. It is recommended that the Nextcloud Calendar app is upgraded to 4.5…

  • Low 3.5

    Nextcloud Mail app vulnerable to Server-Side Request Forgery

    Nextcloud Mail is the mail app for Nextcloud, a self-hosted productivity platform. Starting in version 1.13.0 and prior to version 2.2.8 and 3.3.0, an attacker can use an unprotected endpoint in the Mail app to perform a SSRF attack. Nextcloud Mail app versio…

  • Low 2.4

    Nextcloud Server admins can change authentication details of user configured external storage

    Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.11, 26.0.6, and 27.1.0 of Nextcloud Server and Nextcloud Enterprise Server, admins can change authentication details of …