metagauss ProfileGrid Plugin up to 5.9.9.2 on WordPress User Profile pm_send_message_to_author pm_author_message cross site scripting

Summaryinfo

A vulnerability, which was classified as problematic, was found in metagauss ProfileGrid Plugin up to 5.9.9.2 on WordPress. This vulnerability affects the function pm_send_message_to_author of the component User Profile Handler. Executing a manipulation of the argument pm_author_message can lead to cross site scripting. This vulnerability is tracked as CVE-2026-4610. The attack can be launched remotely. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in metagauss ProfileGrid Plugin up to 5.9.9.2 on WordPress and classified as problematic. This vulnerability affects the function pm_send_message_to_author of the component User Profile Handler. The manipulation of the argument pm_author_message with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

The ProfileGrid – User Profiles, Groups and Communities plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'pm_author_message' parameter in the pm_send_message_to_author function in all versions up to, and including, 5.9.9.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The vulnerability was partially patched in version 5.9.8.5.

The weakness was disclosed by Jonah Burgess. The advisory is shared for download at wordfence.com. This vulnerability was named CVE-2026-4610 since 03/23/2026. The exploitation appears to be easy. The attack can be initiated remotely. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading eliminates this vulnerability.

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Productinfo

Type

• WordPress Plugin

Vendor

• metagauss

Name

• ProfileGrid Plugin

Version

• 5.9.9.0
• 5.9.9.1
• 5.9.9.2

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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