CVE-2026-94004
Received Received - Intake

Code Injection in DedeCMS via plus/mytag_js.php

Publication date: 2026-09-20

Last updated on: 2026-09-20

Assigner: VulDB

Description
A vulnerability was found in DedeCMS up to 5.7.118. The affected element is an unknown function of the file plus/mytag_js.php. The manipulation of the argument aid results in code injection. The attack can be launched remotely. The exploit has been made public and could be used.

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Meta Information

Published
2026-09-20
Last Modified
2026-09-20
Generated
2026-09-20
AI Q&A
2026-09-20
EPSS Evaluated
N/A
NVD
CVE-2026-94004
EUVD
EUVD-2026-83732

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
dede dedecms to 5.7.118 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-74 The product constructs all or part of a command, data structure, or record using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify how it is parsed or interpreted when it is sent to a downstream component.
CWE-94 The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

Attack-Flow Graph

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Executive Summary

This vulnerability is a code injection flaw in DedeCMS versions up to 5.7.118. It exists in the plus/mytag_js.php file where the 'aid' argument is improperly handled. An attacker can manipulate this input to execute arbitrary code remotely. The exploit is publicly available, increasing the risk of attacks.

Detection Guidance

Since the vulnerability involves code injection via the 'aid' argument in plus/mytag_js.php of DedeCMS up to 5.7.118, you can check for unusual or suspicious requests to this file with parameters like 'aid'. Look for POST or GET requests containing 'aid=' in web server logs. Additionally, inspect any files modified recently in the DedeCMS directory, especially those related to the 'plus' folder.

Impact Analysis

If you use DedeCMS up to version 5.7.118, an attacker could exploit this to run malicious code on your server. This may lead to unauthorized access, data theft, or system compromise. The public availability of the exploit makes attacks more likely.

Compliance Impact

This vulnerability could lead to data breaches, violating GDPR (if personal data is exposed) or HIPAA (if protected health information is compromised). Non-compliance may result in legal penalties, fines, or reputational damage.

Mitigation Strategies

Immediately update DedeCMS to the latest version beyond 5.7.118 to patch the code injection vulnerability in plus/mytag_js.php. Disable remote access to the vulnerable file if possible and monitor network traffic for unusual activity.

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