Nextcloud 跨站脚本漏洞

Nextcloud is an open source suite of self-hosted file synchronization and sharing communication application platform from Nextcloud, Germany. A cross-site scripting vulnerability exists in Nextcloud versions prior to 5.5.4, prior to 6.0.6, and prior to 7.2.5, which stems from a malicious user bei...

Nextcloud Tables 安全漏洞

Nextcloud Tables is a table application from Nextcloud Open Source. A security vulnerability exists in Nextcloud Tables versions prior to 0.8.6 and prior to 0.9.3, which stems from a malicious user being able to move columns to the victim table, potentially leading to data tampering...

PT-2025-49301

Name of the Vulnerable Software and Affected Versions Nextcloud talk versions prior to 20.1.8 Nextcloud talk versions prior to 21.1.2 Description A participant with chat permissions could delete poll drafts of other participants within a conversation by using their numeric ID. This issue affects...

Nextcloud Talk 安全漏洞

Nextcloud Talk is a self-hosted local audio/video and chat communication service from Nextcloud Germany. A security vulnerability exists in Nextcloud talk versions prior to 20.1.8 and prior to 21.1.2, which stems from the ability of a participant with chat privileges to delete drafts of other...

PT-2025-49295

Name of the Vulnerable Software and Affected Versions Nextcloud Approval app versions prior to 1.3.1 Nextcloud Approval app versions prior to 2.5.0 Description The Nextcloud Approval app has an issue where an authenticated user, listed as a requester in a workflow, can set another user’s file to...

PT-2025-49289

Name of the Vulnerable Software and Affected Versions Nextcloud Calendar versions prior to 4.7.19 Nextcloud Calendar versions prior to 5.5.6 Nextcloud Calendar versions prior to 6.0.1 Description The Nextcloud Calendar application contained a flaw where appointments could be booked without knowin...

PT-2025-49297

Name of the Vulnerable Software and Affected Versions Nextcloud Deck versions prior to 1.12.7 Nextcloud Deck versions prior to 1.14.4 Nextcloud Deck versions prior to 1.15.1 Description Nextcloud Deck is a kanban style organization tool for personal planning and project organization integrated wi...

CVE-2025-66554: Improper Neutralization of Input During Web Page Generation

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 other options were correctly blocked ...

CVE-2025-66558: Authorization Bypass Through User-Controlled 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, numbers and symbols. The victim would...

CVE-2025-66553: Authorization Bypass Through User-Controlled Key

Nextcloud Tables allows you to create your own tables with individual columns. Prior to 0.8.7 and 0.9.4, authenticated users were able to view meta data of columns in other tables of the Tables app by modifying the numeric ID in a request. This vulnerability is fixed in 0.8.7 and 0.9.4...

CVE-2025-66548: Improper Encoding or Escaping of Output

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 download files with a different extension th...

CVE-2025-66514: Improper Neutralization of Input During Web Page Generation

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 the content security policy of the...

CVE-2025-66552: Insufficient Logging

Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server and Enterprise Server prior to 30.0.9 and 31.0.1, incorrect path handling with groupfolders caused the adminaudit app to not properly log all actions on files and folders inside groupfolders. This vulnerability is fixed ...

CVE-2025-66512: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server and Server Enterprise prior to 31.0.12 and 32.0.3, a missing sanitization allowed malicious users to circumvent the content security policy when a malicious user manages to trick a user it viewing an uploaded SVG outside...

Nextcloud Tables 安全漏洞

Nextcloud Tables is an open source tables application from Nextcloud. A security vulnerability exists in Nextcloud Tables versions prior to 0.8.9, prior to 0.9.6, and prior to 1.0.1, which stems from shared table information that is not restricted from access by privileged users, which could lead...

PT-2025-49299

Name of the Vulnerable Software and Affected Versions Nextcloud Deck versions prior to 1.14.6 Nextcloud Deck versions prior to 1.15.2 Description Nextcloud Deck is a kanban style organization tool for personal and team project management integrated with Nextcloud. A flaw in the permission logic...

CVE-2025-66556: Authorization Bypass Through User-Controlled Key

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 fixed in 20.1.8 and 21.1.2...

CVE-2025-66510: Exposure of Private Personal Information to an Unauthorized Actor

Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server prior to 31.0.10 and 32.0.1 and Nextcloud Enterprise Server prior to 28.0.14.11, 29.0.16.8, 30.0.17.3, and 31.0.10, contacts search allowed to retrieve personal data of other users emails, names, identifiers without prop...

CVE-2025-66550: Improper Handling of Unexpected Data Type

Nextcloud Calendar is a calendar app for Nextcloud. Prior to 4.7.17 and 5.2.4, when a malicious user creates a calendar event with a crafted attachment that links to a download link of a file on the same Nextcloud server, the file would be downloaded without the user confirming the action. This...

PT-2025-49292

Name of the Vulnerable Software and Affected Versions Nextcloud Tables versions prior to 0.8.7 Nextcloud Tables versions prior to 0.9.4 Description Authenticated users could view metadata of columns in other tables within the Tables app by manipulating the numeric ID in a request. This allowed...