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.
Published: 2026-09-20
Score: 6.9 Medium
EPSS: n/a
KEV: No
Impact: Remote Code Injection
Action: Immediate Patch
AI Analysis

Impact

The vulnerability is located in an unspecified helper function within the plus/mytag_js.php file of DedeCMS. By manipulating the aid parameter, an attacker can inject code that the system will execute, effectively allowing arbitrary code execution on the web server.

Affected Systems

DedeCMS (versions up to and including 5.7.118).

Risk and Exploitability

The CVSS score of 6.9 indicates moderate severity, and the exploit can be launched remotely by sending a crafted request containing a malicious aid value. EPSS data are not available, and the vulnerability is not listed in CISA’s KEV catalog. However, the public availability of an exploit means that attackers can readily target vulnerable installations.

Generated by OpenCVE AI on September 20, 2026 at 13:36 UTC.

Remediation

No vendor fix or workaround currently provided.

OpenCVE Recommended Actions

  • Upgrade to a version newer than 5.7.118 where the vulnerable code has been removed.
  • If an upgrade is not immediately possible, restrict access to plus/mytag_js.php and ensure that any aid parameter is properly validated to prevent arbitrary code injection.
  • Implement Web Application Firewall rules that detect and block suspicious code patterns in the aid parameter to reduce the risk of exploitation.

Generated by OpenCVE AI on September 20, 2026 at 13:36 UTC.

Tracking

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Advisories

No advisories yet.

History

Sun, 20 Sep 2026 12:00:00 +0000

Type Values Removed Values Added
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.
Title DedeCMS mytag_js.php code injection
First Time appeared Dedecms
Dedecms dedecms
Weaknesses CWE-74
CWE-94
CPEs cpe:2.3:a:dedecms:dedecms:*:*:*:*:*:*:*:*
Vendors & Products Dedecms
Dedecms dedecms
References
Metrics cvssV2_0

{'score': 7.5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR'}

cvssV3_0

{'score': 7.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV3_1

{'score': 7.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P'}

Subscriptions

Dedecms Dedecms
cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-09-20T11:45:04.431Z

Reserved: 2026-09-19T14:51:24.576Z

Link: CVE-2026-94004

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-09-20T12:17:05.593

Modified: 2026-09-20T12:17:05.593

Link: CVE-2026-94004

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-09-20T13:30:17Z

Weaknesses
  • CWE-74

    Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')

  • CWE-94

    Improper Control of Generation of Code ('Code Injection')