CVE-2025-66545

Description

Nextcloud Groupfolders provides admin-configured folders shared by everyone in a group or team. Prior to 14.0.11, 15.3.12, 16.0.15, 17.0.14, 18.1.8, 19.1.8, and 20.1.2, a user with read-only permission can restore a file from the trash bin. This vulnerability is fixed in 14.0.11, 15.3.12, 16.0.15, 17.0.14, 18.1.8, 19.1.8, and 20.1.2.

CVSS v3.1 Score

3.5

LOW

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N

Weakness Type (CWE)

CWE-707 CWE-707

Affected Products

Vendor	Product	Versions
nextcloud	group_folders	< 14.0.11
nextcloud	group_folders	15.0.0 — 15.3.12
nextcloud	group_folders	16.0.0 — 16.0.15
nextcloud	group_folders	17.0.0 — 17.0.14
nextcloud	group_folders	18.0.0 — 18.1.8
nextcloud	group_folders	19.0.0 — 20.1.2

References

Advisories & Patches

https://github.com/nextcloud/groupfolders/commit/bbe87ebed8da23e9df4db637a76fbc8d36439d58 https://github.com/nextcloud/groupfolders/pull/4076 https://github.com/nextcloud/security-advisories/security/advisories/GHSA-2vrq-fhmf-c49m

Other References

https://github.com/nextcloud/groupfolders/issues/4041

Frequently Asked Questions

What is CVE-2025-66545? +

Nextcloud Groupfolders provides admin-configured folders shared by everyone in a group or team. Prior to 14.0.11, 15.3.12, 16.0.15, 17.0.14, 18.1.8, 19.1.8, and 20.1.2, a user with read-only permission can restore a file from the trash bin. This vulnerability is fixed in 14.0.11, 15.3.12, 16.0.15, 17.0.14, 18.1.8, 19.1.8, and 20.1.2. It has a CVSS v3.1 base score of 3.5 (LOW).

How severe is CVE-2025-66545? +

CVE-2025-66545 has a CVSS v3.1 score of 3.5 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-66545? +

CVE-2025-66545 affects products from nextcloud, specifically: group_folders. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-66545? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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