CVE-2025-66548Low· 3.3▾ SunlitNextcloud 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, tric…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 18.2 · likelihood 0 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Exploit-prediction probability, daily snapshots since Oct 27.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via NVD
Last analysed / modified upstream
0.2%
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 1.12.7, 1.14.4, and 1.15.1.
deck < 1.12.7deck >= 1.14.0, < 1.14.4deck >= 1.15.0, < 1.15.1Upgrade past the affected range:
deck 1.15.1Connected by shared product, vendor, weakness, or advisory.
CVE-2025-66557Medium· 5.4Nextcloud Deck is a kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud
CVE-2026-77170Medium· 4.3The Deck config API allows authenticated users to set board-scoped configuration keys for arbitrary board IDs without validating whether the user owns or has permission to manage the referenced board.
CVE-2023-29541High· 8.8Firefox did not properly handle downloads of files ending in <code>.desktop</code>, which can be interpreted to run attacker-controlled commands
CVE-2022-24682Medium· 6.1An issue was discovered in the Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 (update 1), as exploited in the wild starting in December 2021
CVE-2026-25940High· 8.1jsPDF is a library to generate PDFs in JavaScript
CVE-2025-66558Low· 3.1Nextcloud Twofactor WebAuthn is the WebAuthn Two-Factor Provider for Nextcloud