CVE-2025-66550 - CERT CVE
ID CVE-2025-66550
Sažetak 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 vulnerability is fixed in 4.7.17 and 5.2.4.
Reference
CVSS
Base: 5.7
Impact: 3.6
Exploitability:2.1
Pristup
VektorSloženostAutentikacija
NETWORK LOW LOW
Impact
PovjerljivostCjelovitostDostupnost
NONE HIGH NONE
CVSS vektor CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:H/A:N
Zadnje važnije ažuriranje 10-12-2025 - 14:13
Objavljeno 05-12-2025 - 17:16