CVE-2025-66548
3.3
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| nextcloud | security-advisories | >= 1.15.0-beta.1, < 1.15.1 | affected |
| nextcloud | security-advisories | >= 1.14.0-beta.1, < 1.14.4 | affected |
| nextcloud | security-advisories | < 1.12.7 | affected |
Weaknesses
- CWE-116: CWE-116: Improper Encoding or Escaping of Output
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-xjvq-xvr7-xpg6
- https://github.com/nextcloud/deck/pull/6671
- https://github.com/nextcloud/deck/commit/afa95d3c507465b9d31af7c88c69b76711ef185a
- https://hackerone.com/reports/2326618
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