CVE-2026-4610 metagauss CVE debrief

Who should care

WordPress users who have installed the ProfileGrid – User Profiles, Groups and Communities plugin, especially those with Subscriber-level access and above, should be aware of this vulnerability. They should check their plugin version and update to a patched version if necessary. Additionally, users should be cautious when accessing pages that may have been injected with arbitrary web scripts.

Technical summary

The ProfileGrid – User Profiles, Groups and Communities plugin for WordPress is vulnerable to Stored Cross-Site Scripting (XSS) via the 'pm_author_message' parameter. The vulnerability exists in all versions up to, and including, 5.9.9.2, and is caused by insufficient input sanitization and output escaping. An attacker with Subscriber-level access and above can inject arbitrary web scripts, which will execute when a user accesses an injected page. The vulnerability was partially patched in version 5.9.8.5. The CVSS vector is CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Defensive priority

Medium priority should be given to patching this vulnerability, as it allows for Stored Cross-Site Scripting. Users with Subscriber-level access and above can exploit this vulnerability. The CVSS score is 6.4, and the severity is MEDIUM.

Recommended defensive actions

• Update the ProfileGrid – User Profiles, Groups and Communities plugin to a patched version if necessary.
• Monitor for suspicious activity, such as injected web scripts.
• Implement additional security measures, such as input validation and output escaping.
• Restrict access to the plugin's functionality to authorized users only.
• Regularly review and update plugins to ensure they are secure and up-to-date.

Evidence notes

The CVE-2026-4610 vulnerability was reported by [email protected]. The vulnerability exists in the ProfileGrid – User Profiles, Groups and Communities plugin for WordPress. The CVSS score is 6.4, and the severity is MEDIUM. The CVE was published on June 23, 2026, at 13:16:41 UTC and last modified on June 23, 2026, at 14:32:14 UTC.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.