What is CVE-2026-4848?

CVE-2026-4848 is a medium-severity vulnerability in Dameng100 Muucmf, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-03-26.

How severe is CVE-2026-4848?

Medium severity. CVSS v3 base score is 4.3 out of 10.

RCE in Dameng100 Muucmf

CVE-2026-4848

A vulnerability was determined in dameng100 muucmf 1.9.5.20260309. This affects an unknown function of the file /admin/extend/list.html. Executing a manipulation of the argument Name can lead to cross site scripting. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The vendor was contacted early about this disclosure but did not respond in any way.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-03-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.004 (36.7th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 36.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.002

Affected products

Dameng100 Muucmf — versions 1.9.5.20260309

Weakness classification (CWE)

References

vuldb.com/ (technical-description, vdb-entry)
vuldb.com/ (signature, permissions-required)
vuldb.com/ (third-party-advisory)
thinhneee.github.io/posts/muucmf-xss-extend/ (exploit)

Frequently asked questions

What is CVE-2026-4848?: CVE-2026-4848 is a medium-severity vulnerability in Dameng100 Muucmf, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2026-03-26.
How severe is CVE-2026-4848?: Medium severity. CVSS v3 base score is 4.3 out of 10.