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CVE-2026-12073 critical CVSS 9.8

Vulnerability in ProfileGrid – User Profiles, Groups and Communities (WordPress plugin) (CVE-2026-12073)

Summary

Vulnerability in ProfileGrid – User Profiles, Groups and Communities (WordPress plugin) (CVE-2026-12073). Successful exploitation can lead to full system takeover. Exploitable via user_login.

Original description

The description as published by the source.

The ProfileGrid – User Profiles, Groups and Communities plugin for WordPress is vulnerable to privilege escalation via account takeover in all versions up to, and including, 5.9.9.5. This is due to the plugin not validating a user_login on registration forms that don't contain this parameter, and not properly handling the error messages. This makes it possible for unauthenticated attackers to change email address of user account with ID=1 (usually an administrator), and leverage that to reset the user's password and gain access to their account.

Source: GitHub Security Advisories (Global) NVD GitHub Advisory

Auto-generated summary

Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.

A vulnerability tracked as CVE-2026-12073 has been found in ProfileGrid – User Profiles, Groups and Communities (WordPress plugin).
Attackers can target a specific entry point like user_login over the network to misuse the product.
Successful exploitation can lead to full system takeover. CVSS score: 9.8/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "ProfileGrid – User Profiles, Groups and Communities (WordPress plugin) CVE-2026-12073" on the vendor's site.

CVE-2026-12073 (ProfileGrid – User Profiles, Groups and Communities (WordPress plugin)) — CWE-639 / CVSS v3 9.8
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Attack surface: user_login
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.

❓ What is the problem

A vulnerability (CWE-639) exists in ProfileGrid – User Profiles, Groups and Communities (WordPress plugin). Attackers reach the vulnerable code path via user_login without authentication.

📍 Affected scope

Check the vendor advisory for the affected versions of ProfileGrid – User Profiles, Groups and Communities (WordPress plugin). Attack surface: user_login.

🔥 Severity

Severity: Critical (CVSS 9.8/10). Successful exploitation can lead to full system takeover.

🔧 How to fix

Update to the patched release per vendor advisory.

🛡️ Workaround

Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.

🔍 Detection

Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Audit SBOM/dependencies to find affected services.

Response actions

Concrete steps and command examples for SOC/SRE teams to execute in order

  1. 1
    Identify exposure identify 
    Audit SBOM/dependencies for affected components.

    資産台帳・SBOM・依存マニフェストで ProfileGrid – User Profiles, Groups and Communities (WordPress plugin) を使っているサービスとバージョンを洗い出す。

  2. 2
    Post-deployment verification verify 
    Confirm patched version is live in production

    パッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。

References

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