ImpressCMS 1.4.4 File Extension unrestricted upload

Summaryinfo

A vulnerability labeled as critical has been found in ImpressCMS 1.4.4. Affected by this issue is some unknown functionality of the component File Extension Handler. Executing a manipulation can lead to unrestricted upload. The identification of this vulnerability is CVE-2022-50912. The attack may be launched remotely. Furthermore, there is an exploit available.

Detailsinfo

A vulnerability has been found in ImpressCMS 1.4.4 and classified as critical. This vulnerability affects an unknown part of the component File Extension Handler. The manipulation with an unknown input leads to a unrestricted upload vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

ImpressCMS 1.4.4 contains a file upload vulnerability with weak extension sanitization that allows attackers to upload potentially malicious files. Attackers can bypass file upload restrictions by using alternative file extensions .php2.php6.php7.phps.pht to execute arbitrary PHP code on the server.

The weakness was shared by Ünsal Furkan Harani as 50890. The advisory is shared for download at exploit-db.com. This vulnerability was named CVE-2022-50912 since 01/11/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1608.002.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

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

The vulnerability is also documented in the vulnerability database at Exploit-DB (50890). Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

• ImpressCMS

Version

• 1.4.4

CPE 2.3info

• 🔒

CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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