CVE-2023-7212Public exploitNetwork attack vector

Dangerous file upload via undisclosed Backend flaw

Published Jan 7, 2024 · Updated Jun 3, 2025

Unrestricted upload in Shanghai Zhuozhuo Network Technology Co., Ltd. DedeCMS 5.7.112 allows remote authenticated users to write files. The public records name Backend file_class.php as the locus but do not disclose the affected function, controlled input, or failed validation operation. Administrative Backend access is required, and exploitation places a dangerous file where the application environment can process it.

CVSS severity9.8
Critical
EPSS probability0.59%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Unrestricted upload in Shanghai Zhuozhuo Network Technology Co., Ltd. DedeCMS 5.7.112 allows remote authenticated users to write files. The public records name Backend file_class.php as the locus but do not disclose the affected function, controlled input, or failed validation operation. Administrative Backend access is required, and exploitation places a dangerous file where the application environment can process it.

The record

CVE
CVE-2023-7212
Published
Jan 7, 2024
Updated
Jun 3, 2025
Vendor
Shanghai Zhuozhuo Network Technology Co., Ltd. (DesDev)
Product
DedeCMS
Classifications
CWE-434, T1190
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jan 7, 2024CVE publishedPublication date reported by the CVE source.
  2. Jun 3, 2025Record 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=5.7.112

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Shanghai Zhuozhuo Network Technology Co., Ltd. (DesDev) · DedeCMSversion=5.7.112

Published CVSS scores

9.8NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
5.8VulDBAV:N/AC:L/Au:M/C:P/I:P/A:P
4.7VulDBCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

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

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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