posta

Posta Posta is a tool for researching Cross-document Messaging communication. It allows you to track, explore and exploit postMessage vulnerabilities, and includes features such as replaying messages sent between windows within any attached browser. Prerequisites Google Chrome / Chromium Node.js...

posta

Posta Posta 는 크로스 문서 메시징 통신을 조사하기 위한 도구입니다. postMessage 취약점을 추적, 탐색 및 악용할 수 있으며, 연결된 브라우저 내에서 창 간에 전송된 메시지를 재생하는 기능을 포함합니다. 사전 요구사항 Google Chrome / Chromium Node.js 선택 사항 설치 개발 환경 개발 환경에서 Posta 실행: 1. Posta 설치 git clone https://github.com/benso-io/posta cd posta npm install 2. 개발 환경 시작 npm start ...

html-poc

クライアントサイドの脆弱性に対する概念実証コード 以下のような問題に対する基本的なHTML概念実証: クリックジャッキング 安全でないCORS設定 CSRF タブナッピング XSSI postMessageの問題 これらのほとんどは非常に基本的なものですが、すべてを一か所にまとめておくことで、同じことを何度も書く手間が省けます。 もう少し興味深い2つのもの: clickjackingfull.html: 実際のマルチクリック・クリックジャッキング悪用のための高度なクリックジャッキングスクリプト（詳細はブログ記事 ClickAnywhere: An Advanced Clickjackin...

PwnFox

PwnFox PwnFox는 보안 감사를 위한 유용한 도구를 제공하는 Firefox/Burp 확장 프로그램입니다. Chrome 사용자라면 https://github.com/nccgroup/autochrome을 확인해보세요. PwnFox 기능 원클릭 BurpProxy 컨테이너 프로필 PostMessage 로거 도구 상자 보안 헤더 제거기 설치 빌드 Firefox Burp 변경 내역 기능 원클릭 BurpProxy 간단한 클릭으로 Burp에 연결하세요. 이렇게 하면 foxyProxy와 같은 다른 애드온이 필요하지 않을 수 있습니다...

CVE-2026-100182

The Download Monitor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Cross-Origin postMessage to Admin Editor in all versions up to, and including, 5.2.10 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inje...

CVE-2026-100182 Download Monitor <= 5.2.10 - Unauthenticated Stored Cross-Site Scripting via Cross-Origin postMessage to Admin Editor

The Download Monitor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Cross-Origin postMessage to Admin Editor in all versions up to, and including, 5.2.10 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inje...

EUVD-2026-91245

The Download Monitor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Cross-Origin postMessage to Admin Editor in all versions up to, and including, 5.2.10 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inje...

CVE-2026-100182

The Download Monitor plugin for WordPress is vulnerable to Stored Cross-Site Scripting (XSS) in all versions up to and including 5.2.10 . The root cause is insufficient input sanitization and output escaping involving Cross-Origin postMessage to the Admin Editor. An unauthenticated attacker can t...

CVE-2026-100182 Download Monitor <= 5.2.10 - Unauthenticated Stored Cross-Site Scripting via Cross-Origin postMessage to Admin Editor

The Download Monitor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Cross-Origin postMessage to Admin Editor in all versions up to, and including, 5.2.10 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inje...

PT-2026-104117

The Download Monitor plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Cross-Origin postMessage to Admin Editor in all versions up to, and including, 5.2.10 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inje...

advisories

自己紹介 Twitter: @justinsteven ブログ: https://www.justinsteven.com/ アドバイザリ 逆時系列で掲載しています。タイトルをクリックすると完全なアドバイザリを読むことができます。 Gartner Peer Insights Widget postMessage DOM XSS 開示日: 2023-02-03 Gartner Peer Insights Widgetには、ホスト名に「gartner.com」を含む任意のサイト（例: https://gartner.com.attacker.com）からの postMessage...

CVE-2026-85081 Multiple elFinder Plugins - DOM-based XSS via postMessage Origin Bypass

The File Manager WordPress plugin before 8.0.5, FileOrganizer WordPress plugin before 1.2.1, File Manager Pro WordPress plugin before 2.1.3 do not correctly validate the origin of window messages received by the file browser they load on their admin screens, accepting any origin that is a leading...

CVE-2026-85081 Multiple elFinder Plugins - DOM-based XSS via postMessage Origin Bypass

The File Manager WordPress plugin before 8.0.5, FileOrganizer WordPress plugin before 1.2.1, File Manager Pro WordPress plugin before 2.1.3 do not correctly validate the origin of window messages received by the file browser they load on their admin screens, accepting any origin that is a leading...

CVE-2026-85682

The YOP Poll plugin for WordPress is vulnerable to Origin Validation Error in all versions up to, and including, 7.0.10. This is due to the plugin transmitting a wprest nonce to window.opener via postMessage with a wildcard targetOrigin. This makes it possible for unauthenticated attackers to ste...

CVE-2026-85682

The YOP Poll plugin for WordPress (versions up to and including 7.0.10 ) is vulnerable to an Origin Validation Error . The root cause is the plugin transmitting a wp_rest nonce to window.opener via postMessage() using a wildcard targetOrigin . This allows an unauthenticated attacker to steal a RE...

CVE-2026-85682 YOP Poll <= 7.0.10 - Unauthenticated Origin Validation Error to Administrator Account Takeover via '/auth/wp-login-redirect' REST Route

The YOP Poll plugin for WordPress is vulnerable to Origin Validation Error in all versions up to, and including, 7.0.10. This is due to the plugin transmitting a wprest nonce to window.opener via postMessage with a wildcard targetOrigin. This makes it possible for unauthenticated attackers to ste...

EUVD-2026-85816

The YOP Poll plugin for WordPress is vulnerable to Origin Validation Error in all versions up to, and including, 7.0.10. This is due to the plugin transmitting a wprest nonce to window.opener via postMessage with a wildcard targetOrigin. This makes it possible for unauthenticated attackers to ste...

CVE-2026-85682 YOP Poll <= 7.0.10 - Unauthenticated Origin Validation Error to Administrator Account Takeover via '/auth/wp-login-redirect' REST Route

The YOP Poll plugin for WordPress is vulnerable to Origin Validation Error in all versions up to, and including, 7.0.10. This is due to the plugin transmitting a wprest nonce to window.opener via postMessage with a wildcard targetOrigin. This makes it possible for unauthenticated attackers to ste...

PT-2026-97734

Name of the Vulnerable Software and Affected Versions YOP Poll versions prior to 7.0.11 Description The plugin contains an origin validation error where it transmits a wp rest nonce to window.opener using the postMessage function with a wildcard targetOrigin. This allows unauthenticated attackers...

CVE-2026-85682: Origin Validation Error

The YOP Poll plugin for WordPress is vulnerable to Origin Validation Error in all versions up to, and including, 7.0.10. This is due to the plugin transmitting a wprest nonce to window.opener via postMessage with a wildcard targetOrigin. This makes it possible for unauthenticated attackers to ste...