Summaryinfo

A vulnerability, which was classified as critical, was found in DedeCMS 5.7.118. The affected element is an unknown function of the component Module Handler. Such manipulation of the argument setup tag leads to unrestricted upload. This vulnerability is traded as CVE-2026-30643. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in DedeCMS 5.7.118. It has been rated as critical. Affected by this issue is some unknown functionality of the component Module Handler. The manipulation of the argument setup tag with an unknown input leads to a unrestricted upload vulnerability. Using CWE to declare the problem leads to CWE-434. The product allows the attacker to upload or transfer files of dangerous types that can be automatically processed within the product's environment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue was discovered in DedeCMS 5.7.118 allowing attackers to execute code via crafted setup tag values in a module upload.

This vulnerability is handled as CVE-2026-30643 since 03/04/2026. The exploitation is known to be easy. The attack may be launched remotely. Technical details are known, but there is no available exploit. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 04/01/2026). This vulnerability is assigned to T1608.002 by the MITRE ATT&CK project.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

• Content Management System

Name

• DedeCMS

Version

• 5.7.118

License

• commercial

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CPE 2.2info

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