What is CVE-2025-62857?

CVE-2025-62857 is a medium-severity vulnerability in QNAP Qumagie, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-01-02.

How severe is CVE-2025-62857?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in QNAP Qumagie

CVE-2025-62857

A cross-site scripting (XSS) vulnerability has been reported to affect QuMagie. The remote attackers can then exploit the vulnerability to bypass security mechanisms or read application data. We have already fixed the vulnerability in the following version: QuMagie 2.8.1 and later

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-01-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (11.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 11.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000

Affected products

QNAP Qumagie
QNAP Systems Inc. Qumagie — versions 2.x

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.qnap.com/en/security-advisory/qsa-25-49 (Vendor Advisory)

Frequently asked questions

What is CVE-2025-62857?: CVE-2025-62857 is a medium-severity vulnerability in QNAP Qumagie, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-01-02.
How severe is CVE-2025-62857?: Medium severity. CVSS v3 base score is 6.1 out of 10.