slug: cwe-79
Explanation
CWE-79は「Webアプリがユーザー入力をきちんと無害化せずに画面に出力してしまう欠陥」のことです。
結果として、攻撃者はWebページに悪意あるJavaScriptを埋め込めるようになり、見た人のCookie (ログイン情報) や入力情報を盗めるようになります。
対策はWebの基本中の基本: 出力時のHTMLエスケープです。
Example
MySpace ワーム「Samy」 (2005): 1人の投稿が見るだけで他人のプロフィールにコピーされ、24時間で100万人に感染した。
Related links
Related tags
Vulnerabilities tagged with this 9,213
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64616). Risk of unauthorized operations or information disclosure. CVE-2025-64616
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64620). Risk of unauthorized operations or information disclosure. CVE-2025-64620
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64611). Risk of unauthorized operations or information disclosure. CVE-2025-64611
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64612). Risk of unauthorized operations or information disclosure. CVE-2025-64612
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64613). Risk of unauthorized operations or information disclosure. CVE-2025-64613
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64602). Risk of unauthorized operations or information disclosure. CVE-2025-64602
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64603). Risk of unauthorized operations or information disclosure. CVE-2025-64603
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64606). Risk of unauthorized operations or information disclosure. CVE-2025-64606
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64607). Risk of unauthorized operations or information disclosure. CVE-2025-64607
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64604). Risk of unauthorized operations or information disclosure. CVE-2025-64604
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64605). Risk of unauthorized operations or information disclosure. CVE-2025-64605
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64609). Risk of unauthorized operations or information disclosure. CVE-2025-64609
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64596). Risk of unauthorized operations or information disclosure. CVE-2025-64596
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64601). Risk of unauthorized operations or information disclosure. CVE-2025-64601
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64597). Risk of unauthorized operations or information disclosure. CVE-2025-64597
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64598). Risk of unauthorized operations or information disclosure. CVE-2025-64598
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64600). Risk of unauthorized operations or information disclosure. CVE-2025-64600
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64599). Risk of unauthorized operations or information disclosure. CVE-2025-64599
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64586). Risk of unauthorized operations or information disclosure. CVE-2025-64586
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64592). Risk of unauthorized operations or information disclosure. CVE-2025-64592
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64590). Risk of unauthorized operations or information disclosure. CVE-2025-64590
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64591). Risk of unauthorized operations or information disclosure. CVE-2025-64591
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64593). Risk of unauthorized operations or information disclosure. CVE-2025-64593
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64594). Risk of unauthorized operations or information disclosure. CVE-2025-64594
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64580). Risk of unauthorized operations or information disclosure. CVE-2025-64580
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64582). Risk of unauthorized operations or information disclosure. CVE-2025-64582
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64583). Risk of unauthorized operations or information disclosure. CVE-2025-64583
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64581). Risk of unauthorized operations or information disclosure. CVE-2025-64581
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64579). Risk of unauthorized operations or information disclosure. CVE-2025-64579
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64585). Risk of unauthorized operations or information disclosure. CVE-2025-64585