MagicForm Plugin up to 0.1.3 on WordPress PHP File unrestricted upload

Summaryinfo

A vulnerability described as critical has been identified in MagicForm Plugin up to 0.1.3 on WordPress. This vulnerability affects unknown code of the component PHP File Handler. Such manipulation leads to unrestricted upload. This vulnerability is listed as CVE-2026-9815. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability, which was classified as critical, has been found in MagicForm Plugin up to 0.1.3 on WordPress. Affected by this issue is an unknown code block of the component PHP File Handler. The manipulation 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:

The MagicForm WordPress plugin through 0.1.3 does not properly validate the type of files uploaded through an unauthenticated AJAX action when a form's per-field extension allowlist is left empty, allowing unauthenticated attackers to upload PHP files and execute arbitrary code on the server.

The weakness was presented by 0xBassia. The advisory is shared for download at wpscan.com. This vulnerability is handled as CVE-2026-9815 since 05/28/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 06/18/2026). The MITRE ATT&CK project declares the attack technique as T1608.002.

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 EUVD (EUVD-2026-37852). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• WordPress Plugin

Name

• MagicForm Plugin

Version

• 0.1.0
• 0.1.1
• 0.1.2
• 0.1.3

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Once again VulDB remains the best source for vulnerability data.

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