ProfileGrid Plugin up to 5.9.8.1 on WordPress Message pg_delete_msg mid authorization

Summaryinfo

A vulnerability described as problematic has been identified in ProfileGrid Plugin up to 5.9.8.1 on WordPress. Affected is the function pg_delete_msg of the component Message Handler. Executing a manipulation of the argument mid can lead to authorization. This vulnerability is registered as CVE-2026-2488. It is possible to launch the attack remotely. No exploit is available.

Detailsinfo

A vulnerability classified as problematic was found in ProfileGrid Plugin up to 5.9.8.1 on WordPress. This vulnerability affects the function pg_delete_msg of the component Message Handler. The manipulation of the argument mid with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect integrity, and availability. CVE summarizes:

The ProfileGrid – User Profiles, Groups and Communities plugin for WordPress is vulnerable to unauthorized message deletion due to a missing capability check on the pg_delete_msg() function in all versions up to, and including, 5.9.8.1. This is due to the function not verifying that the requesting user has permission to delete the targeted message. This makes it possible for authenticated attackers, with Subscriber-level access and above, to delete arbitrary messages belonging to any user by sending a direct request with a valid message ID (mid parameter).

The advisory is shared for download at wordfence.com. This vulnerability was named CVE-2026-2488. The exploitation appears to be easy. The attack can be initiated remotely. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 03/08/2026).

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

Name

• ProfileGrid Plugin

Version

• 5.9.8.0
• 5.9.8.1

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CPE 2.2info

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