User Registration & Membership Plugin up to 5.2.7 on WordPress information disclosure

Summaryinfo

A vulnerability marked as problematic has been reported in User Registration & Membership Plugin up to 5.2.7. Affected by this issue is some unknown functionality. Performing a manipulation results in information disclosure. This vulnerability is cataloged as CVE-2026-86407. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as problematic, was found in User Registration & Membership Plugin up to 5.2.7. This affects an unknown code. 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 User Registration & Membership WordPress plugin before 5.2.8 does not verify that the visitor requesting its membership confirmation page owns the account named in the request, nor that any registration or purchase has taken place, allowing unauthenticated users to retrieve another user's email address, profile fields, role and membership order details. Exploitation requires the site owner to have added a user smart tag to that page's configurable message, which the shipped default does not contain.

It is possible to read the advisory at wpscan.com. This vulnerability is uniquely identified as CVE-2026-86407 since 09/07/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. It demands that the victim is doing some kind of user interaction. 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.

Upgrading to version 5.2.8 eliminates this vulnerability.

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Productinfo

Type

• WordPress Plugin

Name

• User Registration & Membership Plugin

Version

• 5.2.0
• 5.2.1
• 5.2.2
• 5.2.3
• 5.2.4
• 5.2.5
• 5.2.6
• 5.2.7

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CPE 2.2info

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