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 4.4 Cross-Site Scripting (XSS) in WordPress Cross-site scripting in WordPress (CVE-2025-13975). Risk of unauthorized operations or information disclosure. CVE-2025-13975
- Medium 4.4 Cross-Site Scripting (XSS) in TWW Protein Calculator (WordPress plugin) Cross-site scripting in TWW Protein Calculator (WordPress plugin) (CVE-2025-13971). Risk of unauthorized operations or information disclosure. CVE-2025-13971
- Medium 6.4 Cross-Site Scripting (XSS) in Data Visualizer (WordPress plugin) Cross-site scripting in Data Visualizer (WordPress plugin) (CVE-2025-13961). Risk of unauthorized operations or information disclosure. CVE-2025-13961
- Medium 6.4 Cross-Site Scripting (XSS) in Divelogs Widget (WordPress plugin) Cross-site scripting in Divelogs Widget (WordPress plugin) (CVE-2025-13962). Risk of unauthorized operations or information disclosure. CVE-2025-13962
- Medium 6.4 Cross-Site Scripting (XSS) in Paypal Payment Shortcode (WordPress plugin) Cross-site scripting in Paypal Payment Shortcode (WordPress plugin) (CVE-2025-13966). Risk of unauthorized operations or information disclosure. CVE-2025-13966
- Medium 6.4 Cross-Site Scripting (XSS) in FX Currency Converter (WordPress plugin) Cross-site scripting in FX Currency Converter (WordPress plugin) (CVE-2025-13963). Risk of unauthorized operations or information disclosure. CVE-2025-13963
- Medium 6.4 Cross-Site Scripting (XSS) in Reviews Sorted (WordPress plugin) Cross-site scripting in Reviews Sorted (WordPress plugin) (CVE-2025-13969). Risk of unauthorized operations or information disclosure. CVE-2025-13969
- Medium 6.4 Cross-Site Scripting (XSS) in WPGancio (WordPress plugin) Cross-site scripting in WPGancio (WordPress plugin) (CVE-2025-13904). Risk of unauthorized operations or information disclosure. CVE-2025-13904
- Medium 6.4 Cross-Site Scripting (XSS) in Simple Nivo Slider (WordPress plugin) Cross-site scripting in Simple Nivo Slider (WordPress plugin) (CVE-2025-13889). Risk of unauthorized operations or information disclosure. CVE-2025-13889
- Medium 6.4 Cross-Site Scripting (XSS) in Zenost Shortcodes (WordPress plugin) Cross-site scripting in Zenost Shortcodes (WordPress plugin) (CVE-2025-13885). Risk of unauthorized operations or information disclosure. Exploitable via button. CVE-2025-13885
- Medium 6.4 Cross-Site Scripting (XSS) in WP Flot (WordPress plugin) Cross-site scripting in WP Flot (WordPress plugin) (CVE-2025-13906). Risk of unauthorized operations or information disclosure. CVE-2025-13906
- Medium 6.4 Cross-Site Scripting (XSS) in GPXpress (WordPress plugin) Cross-site scripting in GPXpress (WordPress plugin) (CVE-2025-13960). Risk of unauthorized operations or information disclosure. CVE-2025-13960
- Medium 6.4 Cross-Site Scripting (XSS) in Hide Email Address (WordPress plugin) Cross-site scripting in Hide Email Address (WordPress plugin) (CVE-2025-13884). Risk of unauthorized operations or information disclosure. CVE-2025-13884
- Medium 6.4 Cross-Site Scripting (XSS) in LS Google Map Router (WordPress plugin) Cross-site scripting in LS Google Map Router (WordPress plugin) (CVE-2025-13850). Risk of unauthorized operations or information disclosure. CVE-2025-13850
- Medium 6.4 Cross-Site Scripting (XSS) in VigLink SpotLight By ShortCode (WordPress plugin) Cross-site scripting in VigLink SpotLight By ShortCode (WordPress plugin) (CVE-2025-13843). Risk of unauthorized operations or information disclosure. CVE-2025-13843
- Medium 6.4 Cross-Site Scripting (XSS) in BUKAZU Search widget (WordPress plugin) Cross-site scripting in BUKAZU Search widget (WordPress plugin) (CVE-2025-13840). Risk of unauthorized operations or information disclosure. CVE-2025-13840
- Medium 6.4 Cross-Site Scripting (XSS) in Easy Map Creator (WordPress plugin) Cross-site scripting in Easy Map Creator (WordPress plugin) (CVE-2025-13846). Risk of unauthorized operations or information disclosure. CVE-2025-13846
- Medium 6.4 Cross-Site Scripting (XSS) in NewStatPress (WordPress plugin) Cross-site scripting in NewStatPress (WordPress plugin) (CVE-2025-13747). Risk of unauthorized operations or information disclosure. CVE-2025-13747
- Medium 6.1 Cross-Site Scripting (XSS) in Accept Stripe Payments Using Contact Form (WordPress plugin) Cross-site scripting in Accept Stripe Payments Using Contact Form (WordPress plugin) (CVE-2025-12834). Risk of unauthorized operations or information disclosure. CVE-2025-12834
- Medium 6.4 Cross-Site Scripting (XSS) in Better Elementor Addons (WordPress plugin) Cross-site scripting in Better Elementor Addons (WordPress plugin) (CVE-2025-12830). Risk of unauthorized operations or information disclosure. CVE-2025-12830
- Medium 6.4 Cross-Site Scripting (XSS) in Simple post listing (WordPress plugin) Cross-site scripting in Simple post listing (WordPress plugin) (CVE-2025-12650). Risk of unauthorized operations or information disclosure. CVE-2025-12650
- Medium 6.4 Cross-Site Scripting (XSS) in LJUsers (WordPress plugin) Cross-site scripting in LJUsers (WordPress plugin) (CVE-2025-13839). Risk of unauthorized operations or information disclosure. CVE-2025-13839
- Medium 6.1 Cross-Site Scripting (XSS) in LibreChat Cross-site scripting in LibreChat (CVE-2025-66452). Risk of unauthorized operations or information disclosure. CVE-2025-66452
- Medium 6.1 Cross-Site Scripting (XSS) in SPA-CART CMS Cross-site scripting in SPA-CART CMS (CVE-2024-58304). Risk of unauthorized operations or information disclosure. CVE-2024-58304
- Unrated Cross-Site Scripting (XSS) in XMB Forum Cross-site scripting in XMB Forum (CVE-2024-58292). Risk of unauthorized operations or information disclosure. CVE-2024-58292
- Unrated Cross-Site Scripting (XSS) in CE Phoenix Cross-site scripting in CE Phoenix (CVE-2024-58296). Risk of unauthorized operations or information disclosure. CVE-2024-58296
- Medium 6.1 Cross-Site Scripting (XSS) in HotelDruid Cross-site scripting in HotelDruid (CVE-2025-55816). Risk of unauthorized operations or information disclosure. CVE-2025-55816
- Low 3.5 Cross-Site Scripting (XSS) in yangshare warehouseManager 仓库管理系统 Cross-site scripting in yangshare warehouseManager 仓库管理系统 (CVE-2025-14538). Risk of unauthorized operations or information disclosure. CVE-2025-14538
- High 8.8 Vulnerability in edoc-doctor-appointment-system CVE-2025-66918
- Medium 6.1 Cross-Site Scripting (XSS) in Github Cross-site scripting in Github (CVE-2025-14046). Risk of unauthorized operations or information disclosure. CVE-2025-14046