What is CVE-2026-94004?

CVE-2026-94004 is a high-severity vulnerability in Dedecms, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-09-20.

How severe is CVE-2026-94004?

High severity. CVSS v3 base score is 7.3 out of 10.

RCE in Dedecms

CVE-2026-94004

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.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

N/a Dedecms — versions 5.7.118

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)

Frequently asked questions

What is CVE-2026-94004?: CVE-2026-94004 is a high-severity vulnerability in Dedecms, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-09-20.
How severe is CVE-2026-94004?: High severity. CVSS v3 base score is 7.3 out of 10.