MultiLoca Plugin up to 4.2.8 on WordPress Setting wcmlim_settings_ajax_handler authorization

Summaryinfo

A vulnerability, which was classified as critical, has been found in MultiLoca Plugin up to 4.2.8 on WordPress. The affected element is the function wcmlim_settings_ajax_handler of the component Setting Handler. Performing a manipulation results in authorization. This vulnerability was named CVE-2025-9054. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability classified as critical has been found in MultiLoca Plugin up to 4.2.8 on WordPress. This affects the function wcmlim_settings_ajax_handler of the component Setting Handler. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The MultiLoca - WooCommerce Multi Locations Inventory Management plugin for WordPress is vulnerable to unauthorized modification of data that can lead to privilege escalation due to a missing capability check on the 'wcmlim_settings_ajax_handler' function in all versions up to, and including, 4.2.8. This makes it possible for unauthenticated attackers to update arbitrary options on the WordPress site. This can be leveraged to update the default role for registration to administrator and enable user registration for attackers to gain administrative user access to a vulnerable site.

It is possible to read the advisory at wordfence.com. This vulnerability is uniquely identified as CVE-2025-9054. 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 09/24/2025).

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-2025-30956). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• WordPress Plugin

Name

• MultiLoca Plugin

Version

• 4.2.0
• 4.2.1
• 4.2.2
• 4.2.3
• 4.2.4
• 4.2.5
• 4.2.6
• 4.2.7
• 4.2.8

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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