CVE-2025-9430Public exploitNetwork attack vector

Cross-site scripting via administrative option input

Published Aug 26, 2025 · Updated Aug 26, 2025

Cross-site scripting in Mtons Mblog 3.0 through 3.5.0 allows remote authenticated users to inject script through an admin option. Public records identify /admin/options/update and its input argument but do not disclose the server-side function or missing encoding operation. Administrative privileges and subsequent page rendering are required; the reported consequence is unauthorized page-content modification.

CVSS severity4.8
Medium
EPSS probability0.27%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

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Summary

What happened

Cross-site scripting in Mtons Mblog 3.0 through 3.5.0 allows remote authenticated users to inject script through an admin option. Public records identify /admin/options/update and its input argument but do not disclose the server-side function or missing encoding operation. Administrative privileges and subsequent page rendering are required; the reported consequence is unauthorized page-content modification.

The record

CVE
CVE-2025-9430
Published
Aug 26, 2025
Updated
Aug 26, 2025
Vendor
Mtons
Product
Mblog
Classifications
CWE-94, CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Aug 26, 2025CVE publishedPublication date reported by the CVE source.
  2. Aug 26, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=3.0
  2. Affected versionversion=3.1
  3. Affected versionversion=3.2
  4. Affected versionversion=3.3
  5. Affected versionversion=3.4
  6. Affected versionversion=3.5.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Mtons · Mblogversion=3.0; version=3.1; version=3.2; version=3.3; version=3.4; version=3.5.0

Published CVSS scores

1.9VulDBCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
4.8NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
3.3VulDBAV:N/AC:L/Au:M/C:N/I:P/A:N
2.4VulDBCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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