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 9,219
- Medium 6.5 Cross-Site Scripting (XSS) in Ninja Popups Cross-site scripting in Ninja Popups (CVE-2025-63059). Risk of unauthorized operations or information disclosure. CVE-2025-63059
- Medium 6.5 Cross-Site Scripting (XSS) in KALLYAS Cross-site scripting in KALLYAS (CVE-2025-63061). Risk of unauthorized operations or information disclosure. CVE-2025-63061
- Medium 6.5 Cross-Site Scripting (XSS) in REHub Framework Cross-site scripting in REHub Framework (CVE-2025-63050). Risk of unauthorized operations or information disclosure. CVE-2025-63050
- Medium 6.5 Cross-Site Scripting (XSS) in ListingPro Lead Form Cross-site scripting in ListingPro Lead Form (CVE-2025-63048). Risk of unauthorized operations or information disclosure. CVE-2025-63048
- Medium 6.5 Cross-Site Scripting (XSS) in SimpLy Gallery Cross-site scripting in SimpLy Gallery (CVE-2025-63052). Risk of unauthorized operations or information disclosure. CVE-2025-63052
- Medium 6.5 Cross-Site Scripting (XSS) in Master Addons for Elementor Cross-site scripting in Master Addons for Elementor (CVE-2025-63055). Risk of unauthorized operations or information disclosure. CVE-2025-63055
- Medium 6.5 Cross-Site Scripting (XSS) in WPLMS Cross-site scripting in WPLMS (CVE-2025-63035). Risk of unauthorized operations or information disclosure. CVE-2025-63035
- Medium 6.5 Cross-Site Scripting (XSS) in Ronneby Theme Core Cross-site scripting in Ronneby Theme Core (CVE-2025-63037). Risk of unauthorized operations or information disclosure. CVE-2025-63037
- Medium 6.5 Cross-Site Scripting (XSS) in Tutor LMS Elementor Addons Cross-site scripting in Tutor LMS Elementor Addons (CVE-2025-63042). Risk of unauthorized operations or information disclosure. CVE-2025-63042
- Medium 6.5 Cross-Site Scripting (XSS) in Xpro Elementor Addons Cross-site scripting in Xpro Elementor Addons (CVE-2025-63044). Risk of unauthorized operations or information disclosure. CVE-2025-63044
- Medium 6.5 Cross-Site Scripting (XSS) in ListingPro Cross-site scripting in ListingPro (CVE-2025-63046). Risk of unauthorized operations or information disclosure. CVE-2025-63046
- Medium 6.5 Cross-Site Scripting (XSS) in Master Slider Pro Cross-site scripting in Master Slider Pro (CVE-2025-63045). Risk of unauthorized operations or information disclosure. CVE-2025-63045
- Medium 5.9 Cross-Site Scripting (XSS) in Make Section & Column Clickable For Elementor Cross-site scripting in Make Section & Column Clickable For Elementor (CVE-2025-63033). Risk of unauthorized operations or information disclosure. CVE-2025-63033
- Medium 5.9 Cross-Site Scripting (XSS) in WP Hotel Booking Cross-site scripting in WP Hotel Booking (CVE-2025-63011). Risk of unauthorized operations or information disclosure. CVE-2025-63011
- Medium 6.5 Cross-Site Scripting (XSS) in Generic Elements Cross-site scripting in Generic Elements (CVE-2025-62082). Risk of unauthorized operations or information disclosure. CVE-2025-62082
- Medium 4.6 Cross-Site Scripting (XSS) in Adata Cross-site scripting in Adata (CVE-2025-61074). Risk of unauthorized operations or information disclosure. CVE-2025-61074
- High 7.1 Cross-Site Scripting (XSS) in Phoenixcontact Cross-site scripting in Phoenixcontact (CVE-2025-41748). Risk of unauthorized operations or information disclosure. CVE-2025-41748
- High 7.1 Cross-Site Scripting (XSS) in Phoenixcontact Cross-site scripting in Phoenixcontact (CVE-2025-41749). Risk of unauthorized operations or information disclosure. CVE-2025-41749
- High 7.1 Cross-Site Scripting (XSS) in Phoenixcontact Cross-site scripting in Phoenixcontact (CVE-2025-41751). Risk of unauthorized operations or information disclosure. CVE-2025-41751
- High 7.1 Cross-Site Scripting (XSS) in Phoenixcontact Cross-site scripting in Phoenixcontact (CVE-2025-41750). Risk of unauthorized operations or information disclosure. CVE-2025-41750
- High 7.1 Cross-Site Scripting (XSS) in Phoenixcontact Cross-site scripting in Phoenixcontact (CVE-2025-41752). Risk of unauthorized operations or information disclosure. CVE-2025-41752
- High 7.1 Cross-Site Scripting (XSS) in Phoenixcontact Cross-site scripting in Phoenixcontact (CVE-2025-41745). Risk of unauthorized operations or information disclosure. CVE-2025-41745
- High 7.1 Cross-Site Scripting (XSS) in Phoenixcontact Cross-site scripting in Phoenixcontact (CVE-2025-41746). Risk of unauthorized operations or information disclosure. CVE-2025-41746
- High 7.1 Cross-Site Scripting (XSS) in Phoenixcontact Cross-site scripting in Phoenixcontact (CVE-2025-41747). Risk of unauthorized operations or information disclosure. CVE-2025-41747
- High 7.1 Cross-Site Scripting (XSS) in Phoenixcontact Cross-site scripting in Phoenixcontact (CVE-2025-41695). Risk of unauthorized operations or information disclosure. CVE-2025-41695
- Medium 6.1 Cross-Site Scripting (XSS) in Tiptap Cross-site scripting in Tiptap (CVE-2025-14284). Risk of unauthorized operations or information disclosure. CVE-2025-14284
- High 7.1 Cross-Site Scripting (XSS) in Custom Admin Menu (WordPress plugin) Cross-site scripting in Custom Admin Menu (WordPress plugin) (CVE-2025-13071). Risk of unauthorized operations or information disclosure. CVE-2025-13071
- High 7.2 Cross-Site Scripting (XSS) in Login Security, FireWall, Malware removal by CleanTalk (WordPress plugin) Cross-site scripting in Login Security, FireWall, Malware removal by CleanTalk (WordPress plugin) (CVE-2025-13604). Risk of unauthorized operations or information disclosure. CVE-2025-13604
- High 7.2 Cross-Site Scripting (XSS) in Social Reviews & Recommendations (WordPress plugin) Cross-site scripting in Social Reviews & Recommendations (WordPress plugin) (CVE-2025-12705). Risk of unauthorized operations or information disclosure. CVE-2025-12705
- Medium 5.3 Cross-Site Scripting (XSS) in e-BAP Automation Cross-site scripting in e-BAP Automation (CVE-2025-10876). Risk of unauthorized operations or information disclosure. CVE-2025-10876