CVE-2025-66548

Published December 5th, 2025

View on NVD ↗

CVSS v3

3.3

LOW

CVSS v2

N/A

Affected

PROJECTS

Description

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.

nextcloud/security-advisories

👮 Security advisories of Nextcloud

GitHub

nextcloud/deck

🗂 Kanban-style project & personal management tool for Nextcloud, similar to Trello

GitHub

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