dulldusk phpfm up to 1.8.0 upload_ext_filter unrestricted upload

Summaryinfo

A vulnerability has been found in dulldusk phpfm up to 1.8.0 and classified as critical. This affects an unknown part. Performing a manipulation of the argument upload_ext_filter results in unrestricted upload. This vulnerability is identified as CVE-2026-72592. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in dulldusk phpfm up to 1.8.0. It has been classified as critical. This affects an unknown part. The manipulation of the argument upload_ext_filter with an unknown input leads to a unrestricted upload vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An unrestricted file upload vulnerability in dulldusk/phpfm through 1.8.0 allows an unauthenticated remote attacker to execute arbitrary PHP code on the server. The application ships with an empty upload extension filter ($upload_ext_filter = array()) and no authentication enabled by default (auth_pass is empty string), allowing an unauthenticated attacker to upload a PHP webshell and execute it by browsing to the uploaded path.

It is possible to read the advisory at github.com. This vulnerability is uniquely identified as CVE-2026-72592 since 08/10/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 08/10/2026). The attack technique deployed by this issue is T1608.002 according to MITRE ATT&CK.

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

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Productinfo

Vendor

• dulldusk

Name

• phpfm

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8.0

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
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