Nextcloud Deck vulnerabilities

CVE-2025-66548 [MEDIUM] CWE-116 CVE-2025-66548: Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organizati 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 than what is displayed. This vulnerability is fixed in 1

CVE-2025-66557 [MEDIUM] CWE-284 CVE-2025-66557: Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organizati Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. Prior to 1.14.6 and 1.15.2, a bug in the permission logic allowed users with "Can share" permission to modify the permissions of other recipients. This vulnerability is fixed in 1.14.6 and 1.15.2.

CVE-2024-37883 [MEDIUM] CWE-284 CVE-2024-37883: Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organizati Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. A user with access to a deck board was able to access comments and attachments of already deleted cards. It is recommended that the Nextcloud Deck app is upgraded to 1.6.6 or 1.7.5 or 1.8.7 or 1.9.6 or 1.11.3 or

CVE-2024-22213 [MEDIUM] CWE-79 CVE-2024-22213: Deck is a kanban style organization tool aimed at personal planning and project organization for tea Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. In affected versions users could be tricked into executing malicious code that would execute in their browser via HTML sent as a comment. It is recommended that the Nextcloud Deck is upgraded to version 1.9.5 or 1.11.2. Th

CVE-2023-22471 [MEDIUM] CWE-639 CVE-2023-22471: Deck is a kanban style organization tool aimed at personal planning and project organization for tea Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. Broken access control allows a user to delete attachments of other users. There are currently no known workarounds. It is recommended that the Nextcloud Deck app is upgraded to 1.6.5 or 1.7.3 or 1.8.2.

CVE-2023-22470 [MEDIUM] CWE-400 CVE-2023-22470: Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organizati Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. A database error can be generated potentially causing a DoS when performed multiple times. There are currently no known workarounds. It is recommended that the Nextcloud Server is upgraded to 1.6.5 or 1.7.3 or 1

CVE-2023-22469 [LOW] CWE-922 CVE-2023-22469: Deck is a kanban style organization tool aimed at personal planning and project organization for tea Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. When getting the reference preview for Deck cards the user has no access to, unauthorized user could eventually get the cached data of a user that has access. There are currently no known workarounds. It is recommended that

CVE-2022-24906 [MEDIUM] CWE-200 CVE-2022-24906: Nextcloud Deck is a Kanban-style project & personal management tool for Nextcloud, similar to Trello Nextcloud Deck is a Kanban-style project & personal management tool for Nextcloud, similar to Trello. The full path of the application is exposed to unauthorized users. It is recommended that the Nextcloud Deck app is upgraded to 1.2.11, 1.4.6, or 1.5.4. There is no workaround available.

CVE-2022-29159 [MEDIUM] CWE-639 CVE-2022-29159: Nextcloud Deck is a Kanban-style project & personal management tool for Nextcloud. In versions prior Nextcloud Deck is a Kanban-style project & personal management tool for Nextcloud. In versions prior to 1.4.8, 1.5.6, and 1.6.1, an authenticated user can move stacks with cards from their own board to a board of another user. The Nextcloud Deck app contains a patch for this issue in versions 1.4.8, 1.5.6, and 1.6.1. There are no known currently-kno

CVE-2021-39225 [HIGH] CWE-639 CVE-2021-39225: Nextcloud is an open-source, self-hosted productivity platform. A missing permission check in Nextcl Nextcloud is an open-source, self-hosted productivity platform. A missing permission check in Nextcloud Deck before 1.2.9, 1.4.5 and 1.5.3 allows another authenticated users to access Deck cards of another user. It is recommended that the Nextcloud Deck App is upgraded to 1.2.9, 1.4.5 or 1.5.3. There are no known workarounds aside from upgrading.

CVE-2021-37631 [MEDIUM] CWE-639 CVE-2021-37631: Deck is an open source kanban style organization tool aimed at personal planning and project organiz Deck is an open source kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. In affected versions the Deck application didn't properly check membership of users in a Circle. This allowed other users in the instance to gain access to boards that have been shared with a Circle, even if

CVE-2021-22913 [MEDIUM] CWE-200 CVE-2021-22913: Nextcloud Deck before 1.2.7, 1.4.1 suffers from an information disclosure vulnerability when searche Nextcloud Deck before 1.2.7, 1.4.1 suffers from an information disclosure vulnerability when searches for sharees utilize the lookup server by default instead of only the local Nextcloud server unless a global search has been explicitly chosen by the user.

CVE-2020-8297 [MEDIUM] CWE-639 CVE-2020-8297: Nextcloud Deck before 1.0.2 suffers from an insecure direct object reference (IDOR) vulnerability th Nextcloud Deck before 1.0.2 suffers from an insecure direct object reference (IDOR) vulnerability that permits users with a duplicate user identifier to access deck data of a previous deleted user.

CVE-2020-8182 [HIGH] CWE-284 CVE-2020-8182: Improper access control in Nextcloud Deck 0.8.0 allowed an attacker to reshare boards shared with th Improper access control in Nextcloud Deck 0.8.0 allowed an attacker to reshare boards shared with them with more permissions than they had themselves.

CVE-2020-8235 [MEDIUM] CWE-639 CVE-2020-8235: Missing access control in Nextcloud Deck 1.0.4 caused an insecure direct object reference allowing a Missing access control in Nextcloud Deck 1.0.4 caused an insecure direct object reference allowing an attacker to view all attachments.

CVE-2020-8179 [MEDIUM] CWE-284 CVE-2020-8179: Improper access control in Nextcloud Deck 1.0.0 allowed an attacker to inject tasks into other users Improper access control in Nextcloud Deck 1.0.0 allowed an attacker to inject tasks into other users decks.

CVE-2019-15619 [MEDIUM] CWE-79 CVE-2019-15619: Improper neutralization of file names, conversation names and board names in Nextcloud Server 16.0.3 Improper neutralization of file names, conversation names and board names in Nextcloud Server 16.0.3, Nextcloud Talk 6.0.3 and Nextcloud Deck 0.6.5 causes an XSS when linking them with each others in a project.