vincent-peugnet wcms up to 3.18.0 Media Upload /api/v0/media/upload path unrestricted upload

Summaryinfo

A vulnerability classified as critical was found in vincent-peugnet wcms up to 3.18.0. This impacts an unknown function of the file /api/v0/media/upload of the component Media Upload. Such manipulation of the argument path leads to unrestricted upload. This vulnerability is listed as CVE-2026-105123. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in vincent-peugnet wcms up to 3.18.0. It has been rated as critical. Affected by this issue is an unknown function of the file /api/v0/media/upload of the component Media Upload. The manipulation of the argument path 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:

W (vincent-peugnet/wcms) through 3.18.0 contains a remote code execution vulnerability that allows authenticated editors to write arbitrary files by abusing the unvalidated path in POST /api/v0/media/upload/[*:path]. Attackers can upload .php files executed by the web server, use encoded ../ sequences to write outside the media directory, and delete arbitrary files via DELETE /api/v0/media/[*:path].

The advisory is available at github.com. This vulnerability is handled as CVE-2026-105123 since 10/03/2026. 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 10/04/2026). 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

Vendor

• vincent-peugnet

Name

• wcms

Version

• 3.0
• 3.1
• 3.2
• 3.3
• 3.4
• 3.5
• 3.6
• 3.7
• 3.8
• 3.9
• 3.10
• 3.11
• 3.12
• 3.13
• 3.14
• 3.15
• 3.16
• 3.17
• 3.18.0

Website

• Product: https://github.com/vincent-peugnet/wcms/

CPE 2.3info

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CPE 2.2info

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Entryinfo

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

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