CVE-2023-40784Network attack vector

Unauthenticated dangerous file upload via module_make.php

Published Sep 12, 2023 · Updated Sep 26, 2024

Unrestricted file upload in DedeCMS 5.7.102 allows remote attackers to upload dangerous files through uploads/dede/module_make.php. The public record identifies that endpoint but does not disclose the input, validation failure, accepted file types, or resulting storage path. The endpoint is network reachable without privileges or user interaction, while published evidence does not establish file execution.

CVSS severity9.8
Critical
EPSS probability0.68%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unrestricted file upload in DedeCMS 5.7.102 allows remote attackers to upload dangerous files through uploads/dede/module_make.php. The public record identifies that endpoint but does not disclose the input, validation failure, accepted file types, or resulting storage path. The endpoint is network reachable without privileges or user interaction, while published evidence does not establish file execution.

The record

CVE
CVE-2023-40784
Published
Sep 12, 2023
Updated
Sep 26, 2024
Vendor
Shanghai Zhuozhuo Network Technology Co., Ltd. (DesDev)
Product
DedeCMS
Classifications
CWE-434, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 12, 2023CVE publishedPublication date reported by the CVE source.
  2. Sep 26, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

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

  1. Affected versionversion=5.7.102

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Shanghai Zhuozhuo Network Technology Co., Ltd. (DesDev) · DedeCMSversion=5.7.102

Published CVSS scores

9.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-434Unrestricted Upload of File with Dangerous Type
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

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Technologies

Your stack

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Your stack

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