CVE-2026-76581-Detector

CVE-2026-76581 - WPMU DEV Dashboard 脆弱性検出ツール WPMU DEV Dashboard の CVE-2026-76581 の影響を受けるバージョンを実行しているWordPressインストールを特定するための、安全でパッシブなPython検出ツールです。 この検出ツールは、認証バイパスを悪用したり、HMAC値を要求・再生したり、管理者セッションを作成したりすることはありません。 このスクリーンショットは教育目的のサニタイズ済みデモです。実際のターゲット、ペイロード、認証トークン、認証情報は一切含まれていません。 脆弱性の概要...

WordPress WPMU DEV Dashboard plugin <= 5.0.1 - Authentication Bypass to Administrator via SSO HMAC Canonicalization Confusion vulnerability

Authentication Bypass to Administrator via SSO HMAC Canonicalization Confusion vulnerability discovered by WordFence in WordPress Plugin WPMU DEV Dashboard versions = 5.0.1...

CVE-2026-76581

The WPMU DEV Dashboard plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 5.0.1. This is due to inconsistent and ambiguous HMAC message construction between the unauthenticated wdpssostep1 and wdpssostep2 AJAX actions, where step 1 signs and disclose...

CVE-2026-76581 WPMU DEV Dashboard <= 5.0.1 - Authentication Bypass to Administrator via SSO HMAC Canonicalization Confusion

The WPMU DEV Dashboard plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 5.0.1. This is due to inconsistent and ambiguous HMAC message construction between the unauthenticated wdpssostep1 and wdpssostep2 AJAX actions, where step 1 signs and disclose...

CVE-2026-76581

CVE-2026-76581 is a Critical (CVSS 9.8) unauthenticated Authentication Bypass in the WPMU DEV Dashboard plugin for WordPress (≤ 5.0.1 , ~350,000 installs). The root cause is HMAC canonicalization confusion between two unauthenticated AJAX actions: wdpsso_step1 signs an unseparated concatenation o...

EUVD-2026-67464

The WPMU DEV Dashboard plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 5.0.1. This is due to inconsistent and ambiguous HMAC message construction between the unauthenticated wdpssostep1 and wdpssostep2 AJAX actions, where step 1 signs and disclose...

Wordfence Argus Finds Critical Authentication Bypass in WPMU DEV Dashboard Plugin

On August 19th, 2026, during internal research, I discovered an Authentication Bypass vulnerability in WPMU DEV Dashboard, a WordPress plugin with an estimated 350,000 active installations. This vulnerability makes it possible for unauthenticated attackers to gain administrator access when Hub...

PT-2026-82837

Name of the Vulnerable Software and Affected Versions WPMU DEV Dashboard versions prior to 5.0.2 Description An authentication bypass exists in the Hub Single Sign-On SSO flow, potentially affecting an estimated 350,000 WordPress sites. The issue stems from HMAC canonicalization confusion—a...

VulnCheck KEV: CVE-2026-76581

The WPMU DEV Dashboard plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 5.0.1. This is due to inconsistent and ambiguous HMAC message construction between the unauthenticated wdpssostep1 and wdpssostep2 AJAX actions, where step 1 signs and disclose...

CVE-2026-16051 WPMU DEV Dashboard < 5.0.1 - Remote Code Execution via Hub Install Action

The wpmudev-updates WordPress plugin before 5.0.1 does not verify the integrity of the packages installed through its remote management interface, nor protect those requests against replay, allowing an attacker able to obtain or replay a valid signed management request to install and execute...

CVE-2026-16051 WPMU DEV Dashboard < 5.0.1 - Remote Code Execution via Hub Install Action

The wpmudev-updates WordPress plugin before 5.0.1 does not verify the integrity of the packages installed through its remote management interface, nor protect those requests against replay, allowing an attacker able to obtain or replay a valid signed management request to install and execute...

CVE-2026-16051

The CVE covers the wpmudev-updates WordPress plugin prior to 5.0.1. Affected component: the remote management interface; it does not verify the integrity of installed packages and lacks replay protection for management requests. This enables an attacker who can obtain or replay a valid signed man...

WordPress WPMU DEV Dashboard plugin <= 5.0.0 - Authentication Bypass to Arbitrary plugin Installation (Remote Code Execution) vulnerability

Authentication Bypass to Arbitrary plugin Installation Remote Code Execution vulnerability discovered by Austin Ginder in WordPress Plugin WPMU DEV Dashboard versions = 5.0.0...

CVE-2026-15459

The WPMU DEV Dashboard plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 5.0.0. On sites not yet connected to the WPMU DEV Hub — the default state after installation — the site API key that keys the WDP-AUTH request signature is empty, making the...

CVE-2026-15459

The WPMU DEV Dashboard plugin for WordPress is vulnerable to Authentication Bypass in all versions up to, and including, 5.0.0. On sites not yet connected to the WPMU DEV Hub — the default state after installation — the site API key that keys the WDP-AUTH request signature is empty, making the...

CVE-2026-15459

The CVE-2026-15459 entry concerns the WordPress WPMU DEV Dashboard plugin (≤ 5.0.0). Public details show an authentication bypass allowing unauthenticated attackers to perform privileged Hub actions, including installing/activating plugins from attacker URLs (remote code execution), deleting plug...

CVE-2026-25431

Missing Authorization vulnerability in WPMU DEV Hustle allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Hustle: through 7.8.10.1...

CVE-2026-25431

Missing Authorization vulnerability in WPMU DEV Hustle allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Hustle: through 7.8.10.1...

CVE-2026-32409

Missing Authorization vulnerability in WPMU DEV - Your All-in-One WordPress Platform Forminator forminator allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Forminator: from n/a through = 1.50.2...

CVE-2026-24998

Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in WPMU DEV - Your All-in-One WordPress Platform Hustle wordpress-popup allows Retrieve Embedded Sensitive Data.This issue affects Hustle: from n/a through = 7.8.9.2...