Cross-Site Scripting Vulnerability in mtons mblog Software
CVE-2025-9431

5.3MEDIUM

Key Information:

Vendor

Mtons

Status
Mblog
Vendor
CVE Published:
26 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-9431?

A cross-site scripting vulnerability has been identified in mtons mblog versions up to 3.5.0, affecting an unspecified function within the '/search' file. This flaw allows attackers to manipulate the 'kw' argument, leading to potential execution of malicious scripts on the client side. Since the exploit can be initiated remotely, it poses a significant risk to users of the affected software. Proper input sanitation and validation measures are crucial to mitigate this vulnerability.

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Affected Version(s)

mblog 3.0

mblog 3.1

mblog 3.2

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-2025-9431 - Proof of Concept

References

https://vuldb.com/?id.321272
vdb-entrytechnical-description
https://vuldb.com/?ctiid.321272
signaturepermissions-required
https://vuldb.com/?submit.634157
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

ZAST.AI (VulDB User)
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