Which versions of Muucmf are affected by EUVD-2026-16118?

Organizations using A flaw should be aware of moderate risk from CVE-2026-4845, a cross-site scripting vulnerability rated CVSS 5.3.

Is there a public PoC exploit available for EUVD-2026-16118?

Yes, a public proof-of-concept exploit is available for EUVD-2026-16118. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate EUVD-2026-16118?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

Muucmf EUVD-2026-16118

Q: What is the CVSS score of EUVD-2026-16118?

EUVD-2026-16118 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

| CVE-2026-4845 LOW

Cross-site Scripting (XSS) (CWE-79)

2026-03-26 VulDB

XSS Muucmf

2.1

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.1 LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

5.3 (MEDIUM) 2.1 (LOW)

PoC Detected

Mar 30, 2026 - 13:26 vuln.today

Public exploit code

EUVD ID Assigned

Mar 26, 2026 - 06:00 euvd

EUVD-2026-16118

Analysis Generated

Mar 26, 2026 - 06:00 vuln.today

CVE Published

Mar 26, 2026 - 05:31 nvd

MEDIUM 5.3

DescriptionCVE.org

A flaw has been found in dameng100 muucmf 1.9.5.20260309. Impacted is an unknown function of the file /admin/Member/index.html. This manipulation of the argument Search causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

A reflected cross-site scripting (XSS) vulnerability exists in Dameng100 MUUCMF version 1.9.5.20260309 within the Member management interface at /admin/Member/index.html. The vulnerability is triggered via an unsanitized Search parameter, allowing remote attackers to inject arbitrary JavaScript that executes in the context of an authenticated user's browser. …

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Vulnerability AssessmentAI

Risk Assessment	The CVSS v3.1 score of 4.3 reflects a low-to-moderate severity rating with network-based attack vector (AV:N), low attack complexity (AC:L), no privilege requirements (PR:N), and user interaction required (UI:R). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	An attacker crafts a malicious URL containing JavaScript code embedded in the Search parameter (e.g., /admin/Member/index.html?Search=<script>alert('XSS')</script>) and sends it to an administrator via spear-phishing email or social engineering. When the administrator clicks the link while already authenticated to the MUUCMF administrative panel, the injected script executes in their browser with administrator privileges, potentially allowing the attacker to steal session cookies, perform unauthorized administrative actions, or redirect the administrator to a credential harvesting page. …
Remediation	Immediate action requires applying input validation and output encoding controls at the application level. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. …

Threat intelligence, references, and detailed analysis are available after sign-in.

EUVD-2026-16118 vulnerability details – vuln.today

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