gwin WPAdverts Plugin up to 2.3.2 on WordPress Classifieds Types REST Endpoint authorization

Summaryinfo

A vulnerability categorized as problematic has been discovered in gwin WPAdverts Plugin up to 2.3.2. The affected element is an unknown function of the component Classifieds Types REST Endpoint. The manipulation results in authorization. This vulnerability was named CVE-2026-11801. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability classified as problematic has been found in gwin WPAdverts Plugin up to 2.3.2. Affected is an unknown functionality of the component Classifieds Types REST Endpoint. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-639. The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data. This is going to have an impact on confidentiality. CVE summarizes:

The WPAdverts – Classifieds Plugin plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 2.3.2. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for unauthenticated attackers to retrieve internal site configuration data exposed by the classifieds-types REST endpoint, including registered post types, labels, associated taxonomies, form scheme metadata, contact options, and custom field meta keys.

The advisory is available at wordfence.com. This vulnerability is traded as CVE-2026-11801 since 06/09/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 08/18/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• WordPress Plugin

Vendor

• gwin

Name

• WPAdverts Plugin

Version

• 2.3.0
• 2.3.1
• 2.3.2

CPE 2.3info

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CPE 2.2info

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Entryinfo

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