Arbitrary file upload in Jackying H-Ui.admin

CVE-2025-15426

A vulnerability was identified in jackying H-ui.admin up to 3.1. This affects an unknown function in the library /lib/webuploader/0.1.5/server/preview.php. The manipulation leads to unrestricted upload. The attack is possible to be carried out remotely. The exploit is publicly available and might be used. The vendor was contacted early about this disclosure but did not respond in any way.

EPSS: 0.004 (34.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-15426?
CVE-2025-15426 is a high-severity vulnerability in Jackying H-Ui.admin, classified under Improper Access Control. CVSS score: 7.3/10. Published 2026-01-02.
How severe is CVE-2025-15426?
High severity. CVSS v3 base score is 7.3 out of 10.