CVE-2026-4847 dameng100 muucmf list.html cross site scripting
Remote attackers can execute arbitrary scripts via the Name argument in the admin config list, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-4847?
CVE-2026-4847 is a medium-severity cross-site scripting vulnerability in dameng100 muucmf, published on 26 Mar 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A vulnerability was found in dameng100 muucmf 1.9.5.20260309. The impacted element is an unknown function of the file /admin/config/list.html. Performing a manipulation of the argument Name results in cross site scripting. The attack can be initiated remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Which versions are affected by CVE-2026-4847?
How do I fix CVE-2026-4847?
No fix has been published for CVE-2026-4847 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-4847 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-4847 exists.
Sources
Also known as GHSA-q8fm-q448-xc94.