Payever Plugin up to 4.8.0 on WordPress upload_image unrestricted upload

Summaryinfo

A vulnerability classified as critical was found in Payever Plugin up to 4.8.0. This issue affects the function upload_image. Such manipulation leads to unrestricted upload. This vulnerability is traded as CVE-2026-93754. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Payever Plugin up to 4.8.0 and classified as critical. Affected by this issue is the function upload_image. 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 upload or transfer of dangerous file types that are automatically processed within its environment. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The payever – WooCommerce Gateway plugin for WordPress is vulnerable to arbitrary file upload leading to remote code execution in various versions up to, and including, 4.8.0. Three WooCommerce-API callbacks (payever_set_sandbox_api_keys, payever_toggle_subscription, payever_synchronization_incoming) are registered with no authentication, capability check, or nonce, and the upload_image() routine writes a remotely fetched file to the public uploads directory using an attacker-controlled basename() BEFORE validating the file type. This makes it possible for unauthenticated attackers to write an executable PHP file and achieve remote code execution. NOTE: the token-recovery leg of the full chain depends on the plugin's outbound validateToken() call to Payever's service; the unauthenticated hard-coded-credential identity overwrite (CWE-862/CWE-798) is independently exploitable.

The advisory is available at wordfence.com. This vulnerability is handled as CVE-2026-93754 since 09/18/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. 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 11/07/2026). 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

• WordPress Plugin

Name

• Payever Plugin

Version

• 4.0
• 4.1
• 4.2
• 4.3
• 4.4
• 4.5
• 4.6
• 4.7
• 4.8.0

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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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