Cross-Site Scripting Vulnerability in Dameng100 Muucmf Software
CVE-2026-4846

5.3MEDIUM

Key Information:

Vendor

Dameng100

Status
Muucmf
Vendor
CVE Published:
26 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-4846?

A vulnerability has been identified in Dameng100 Muucmf version 1.9.5.20260309, located within the autoReply.html file in the channel/admin.Account directory. Manipulating the argument keyword can lead to cross-site scripting (XSS), allowing attackers to inject malicious scripts into web pages viewed by users. This can be exploited remotely, posing significant risks to sites utilizing this software. Despite early notifications to the vendor regarding this issue, there has been no response, and the exploit details have been disclosed publicly, increasing the urgency for affected users to apply necessary mitigations.

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Affected Version(s)

muucmf 1.9.5.20260309

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-4846 - Proof of Concept

References

https://vuldb.com/?id.353151
vdb-entrytechnical-description
https://vuldb.com/?ctiid.353151
signaturepermissions-required
https://vuldb.com/?submit.776190
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

thinhnee (VulDB User)
VulDB
JSON
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