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
- 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
- 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
- Critical 9.3 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64537). Confidential information can be exposed externally. CVE-2025-64537
- Medium 5.4 Cross-Site Scripting (XSS) in Jenkins Cross-site scripting in Jenkins (CVE-2025-67641). Risk of unauthorized operations or information disclosure. CVE-2025-67641
- Low 3.5 Cross-Site Scripting (XSS) in GoldenHorn Cross-site scripting in GoldenHorn (CVE-2025-13127). Risk of unauthorized operations or information disclosure. CVE-2025-13127
- Medium 4.3 Cross-Site Scripting (XSS) in WeGIA Cross-site scripting in WeGIA (CVE-2025-67496). Risk of unauthorized operations or information disclosure. CVE-2025-67496
- High 8.0 Cross-Site Scripting (XSS) in ZITADEL Cross-site scripting in ZITADEL (CVE-2025-67495). Confidential information can be exposed externally. CVE-2025-67495
- Medium 6.1 Cross-Site Scripting (XSS) in MailEnable Cross-site scripting in MailEnable (CVE-2025-34425). Risk of unauthorized operations or information disclosure. CVE-2025-34425
- Medium 5.4 Cross-Site Scripting (XSS) in e-BAP Automation Cross-site scripting in e-BAP Automation (CVE-2025-6924). Risk of unauthorized operations or information disclosure. CVE-2025-6924
- Medium 5.4 Cross-Site Scripting (XSS) in UNIS Cross-site scripting in UNIS (CVE-2025-6923). Risk of unauthorized operations or information disclosure. CVE-2025-6923
- High 8.8 Cross-Site Scripting (XSS) in Microsoft Sharepoint Server Cross-site scripting in Microsoft Sharepoint Server (CVE-2025-64672). Successful exploitation can lead to full system takeover. CVE-2025-64672
- Medium 6.1 Cross-Site Scripting (XSS) in Phpipam Cross-site scripting in Phpipam (CVE-2025-61078). Risk of unauthorized operations or information disclosure. CVE-2025-61078
- Medium 5.4 Cross-Site Scripting (XSS) in Fortinet FortiSandbox Cross-site scripting in Fortinet FortiSandbox (CVE-2025-54353). Risk of unauthorized operations or information disclosure. CVE-2025-54353
- Medium 6.1 Cross-Site Scripting (XSS) in MailEnable Cross-site scripting in MailEnable (CVE-2025-34409). Risk of unauthorized operations or information disclosure. CVE-2025-34409
- Medium 6.1 Cross-Site Scripting (XSS) in MailEnable Cross-site scripting in MailEnable (CVE-2025-34406). Risk of unauthorized operations or information disclosure. CVE-2025-34406
- Medium 6.1 Cross-Site Scripting (XSS) in MailEnable Cross-site scripting in MailEnable (CVE-2025-34408). Risk of unauthorized operations or information disclosure. CVE-2025-34408
- Medium 6.1 Cross-Site Scripting (XSS) in MailEnable Cross-site scripting in MailEnable (CVE-2025-34407). Risk of unauthorized operations or information disclosure. CVE-2025-34407
- Medium 6.1 Cross-Site Scripting (XSS) in MailEnable Cross-site scripting in MailEnable (CVE-2025-34400). Risk of unauthorized operations or information disclosure. CVE-2025-34400
- Medium 6.1 Cross-Site Scripting (XSS) in MailEnable Cross-site scripting in MailEnable (CVE-2025-34398). Risk of unauthorized operations or information disclosure. CVE-2025-34398
- Medium 6.1 Cross-Site Scripting (XSS) in MailEnable Cross-site scripting in MailEnable (CVE-2025-34402). Risk of unauthorized operations or information disclosure. CVE-2025-34402
- Medium 6.1 Cross-Site Scripting (XSS) in MailEnable Cross-site scripting in MailEnable (CVE-2025-34399). Risk of unauthorized operations or information disclosure. CVE-2025-34399
- Medium 6.1 Cross-Site Scripting (XSS) in MailEnable Cross-site scripting in MailEnable (CVE-2025-34404). Risk of unauthorized operations or information disclosure. CVE-2025-34404
- Medium 6.1 Cross-Site Scripting (XSS) in MailEnable Cross-site scripting in MailEnable (CVE-2025-34401). Risk of unauthorized operations or information disclosure. CVE-2025-34401
- Medium 6.1 Cross-Site Scripting (XSS) in MailEnable Cross-site scripting in MailEnable (CVE-2025-34403). Risk of unauthorized operations or information disclosure. CVE-2025-34403
- Medium 6.1 Cross-Site Scripting (XSS) in MailEnable Cross-site scripting in MailEnable (CVE-2025-34397). Risk of unauthorized operations or information disclosure. CVE-2025-34397
- Medium 6.1 Cross-Site Scripting (XSS) in Mercurycom Cross-site scripting in Mercurycom (CVE-2025-65289). Risk of unauthorized operations or information disclosure. CVE-2025-65289
- Medium 6.1 Cross-Site Scripting (XSS) in Xinhu Rainrock RockOA Cross-site scripting in Xinhu Rainrock RockOA (CVE-2025-63737). Risk of unauthorized operations or information disclosure. CVE-2025-63737
- Medium 4.8 Cross-Site Scripting (XSS) in i-Educar Cross-site scripting in i-Educar (CVE-2025-9638). Risk of unauthorized operations or information disclosure. CVE-2025-9638
- Medium 5.9 Cross-Site Scripting (XSS) in Rencontre Cross-site scripting in Rencontre (CVE-2025-67558). Risk of unauthorized operations or information disclosure. CVE-2025-67558
- Medium 5.9 Cross-Site Scripting (XSS) in WordPress WP eBay Product Feeds Cross-site scripting in WordPress WP eBay Product Feeds (CVE-2025-67557). Risk of unauthorized operations or information disclosure. CVE-2025-67557