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-2025-64575). Risk of unauthorized operations or information disclosure. CVE-2025-64575
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64574). Risk of unauthorized operations or information disclosure. CVE-2025-64574
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64576). Risk of unauthorized operations or information disclosure. CVE-2025-64576
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64572). Risk of unauthorized operations or information disclosure. CVE-2025-64572
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64569). Risk of unauthorized operations or information disclosure. CVE-2025-64569
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64577). Risk of unauthorized operations or information disclosure. CVE-2025-64577
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64578). Risk of unauthorized operations or information disclosure. CVE-2025-64578
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64564). Risk of unauthorized operations or information disclosure. CVE-2025-64564
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64565). Risk of unauthorized operations or information disclosure. CVE-2025-64565
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64560). Risk of unauthorized operations or information disclosure. CVE-2025-64560
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64562). Risk of unauthorized operations or information disclosure. CVE-2025-64562
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64563). Risk of unauthorized operations or information disclosure. CVE-2025-64563
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64566). Risk of unauthorized operations or information disclosure. CVE-2025-64566
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64556). Risk of unauthorized operations or information disclosure. CVE-2025-64556
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64557). Risk of unauthorized operations or information disclosure. CVE-2025-64557
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64558). Risk of unauthorized operations or information disclosure. CVE-2025-64558
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64559). Risk of unauthorized operations or information disclosure. CVE-2025-64559
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64553). Risk of unauthorized operations or information disclosure. CVE-2025-64553
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64555). Risk of unauthorized operations or information disclosure. CVE-2025-64555
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64554). Risk of unauthorized operations or information disclosure. CVE-2025-64554
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64547). Risk of unauthorized operations or information disclosure. CVE-2025-64547
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64546). Risk of unauthorized operations or information disclosure. CVE-2025-64546
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64548). Risk of unauthorized operations or information disclosure. CVE-2025-64548
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64549). Risk of unauthorized operations or information disclosure. CVE-2025-64549
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64551). Risk of unauthorized operations or information disclosure. CVE-2025-64551
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64550). Risk of unauthorized operations or information disclosure. CVE-2025-64550
- Critical 9.3 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64538). Confidential information can be exposed externally. CVE-2025-64538
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64541). Risk of unauthorized operations or information disclosure. CVE-2025-64541
- Critical 9.3 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64539). Confidential information can be exposed externally. CVE-2025-64539
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64543). Risk of unauthorized operations or information disclosure. CVE-2025-64543