FiboSearch Plugin up to 1.34.0 on WordPress AJAX Endpoint dgwt_wcas_ajax_search/dgwt_wcas_result_details information disclosure

Summaryinfo

A vulnerability marked as problematic has been reported in FiboSearch Plugin up to 1.34.0. The affected element is the function dgwt_wcas_ajax_search/dgwt_wcas_result_details of the component AJAX Endpoint. This manipulation causes information disclosure. The identification of this vulnerability is CVE-2026-16612. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in FiboSearch Plugin up to 1.34.0. It has been declared as problematic. Affected by this vulnerability is the function dgwt_wcas_ajax_search/dgwt_wcas_result_details of the component AJAX Endpoint. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. The summary by CVE is:

The FiboSearch WordPress plugin before 1.34.1 does not consistently exclude password-protected products from its unauthenticated AJAX endpoints, allowing unauthenticated users to disclose and enumerate password-protected products and their metadata without entering the product password. Two endpoints are affected: the autocomplete search endpoint (dgwt_wcas_ajax_search) and the Details Panel endpoint (dgwt_wcas_result_details) when queried for taxonomy details.

It is possible to read the advisory at wpscan.com. This vulnerability is known as CVE-2026-16612 since 07/22/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1592 according to MITRE ATT&CK.

Upgrading to version 1.34.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-64217). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• WordPress Plugin

Name

• FiboSearch Plugin

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7
• 1.8
• 1.9
• 1.10
• 1.11
• 1.12
• 1.13
• 1.14
• 1.15
• 1.16
• 1.17
• 1.18
• 1.19
• 1.20
• 1.21
• 1.22
• 1.23
• 1.24
• 1.25
• 1.26
• 1.27
• 1.28
• 1.29
• 1.30
• 1.31
• 1.32
• 1.33
• 1.34.0

CPE 2.3info

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CPE 2.2info

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• 🔒
• 🔒

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Be aware that VulDB is the high quality source for vulnerability data.

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