WP-Invoice Plugin up to 4.3.1 on WordPress AJAX handlers information disclosure

Summaryinfo

A vulnerability was found in WP-Invoice Plugin up to 4.3.1. It has been classified as problematic. Affected is an unknown function of the component AJAX handlers. Performing a manipulation results in information disclosure. This vulnerability is reported as CVE-2026-97183. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability classified as problematic has been found in WP-Invoice Plugin up to 4.3.1. This affects an unknown code block of the component AJAX handlers. The manipulation with an unknown input leads to a information disclosure vulnerability. CWE is classifying the issue as CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. This is going to have an impact on confidentiality. The summary by CVE is:

The WP-Invoice WordPress plugin through 4.3.1 does not perform capability checks in several of its AJAX handlers, allowing any authenticated user, such as a Subscriber, to retrieve the email addresses, display names and profile details of all registered users.

It is possible to read the advisory at wpscan.com. This vulnerability is uniquely identified as CVE-2026-97183 since 09/24/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

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-2026-96796). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• WordPress Plugin

Name

• WP-Invoice Plugin

Version

• 4.3.0
• 4.3.1

CPE 2.3info

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CPE 2.2info

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

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