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-2025-64826). Risk of unauthorized operations or information disclosure. CVE-2025-64826
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64825). Risk of unauthorized operations or information disclosure. CVE-2025-64825
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64814). Risk of unauthorized operations or information disclosure. CVE-2025-64814
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64817). Risk of unauthorized operations or information disclosure. CVE-2025-64817
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64823). Risk of unauthorized operations or information disclosure. CVE-2025-64823
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64822). Risk of unauthorized operations or information disclosure. CVE-2025-64822
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64821). Risk of unauthorized operations or information disclosure. CVE-2025-64821
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64820). Risk of unauthorized operations or information disclosure. CVE-2025-64820
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64800). Risk of unauthorized operations or information disclosure. CVE-2025-64800
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64803). Risk of unauthorized operations or information disclosure. CVE-2025-64803
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64802). Risk of unauthorized operations or information disclosure. CVE-2025-64802
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64801). Risk of unauthorized operations or information disclosure. CVE-2025-64801
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64808). Risk of unauthorized operations or information disclosure. CVE-2025-64808
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64804). Risk of unauthorized operations or information disclosure. CVE-2025-64804
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64797). Risk of unauthorized operations or information disclosure. CVE-2025-64797
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64796). Risk of unauthorized operations or information disclosure. CVE-2025-64796
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64794). Risk of unauthorized operations or information disclosure. CVE-2025-64794
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64793). Risk of unauthorized operations or information disclosure. CVE-2025-64793
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64792). Risk of unauthorized operations or information disclosure. CVE-2025-64792
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64799). Risk of unauthorized operations or information disclosure. CVE-2025-64799
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64627). Risk of unauthorized operations or information disclosure. CVE-2025-64627
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64626). Risk of unauthorized operations or information disclosure. CVE-2025-64626
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64791). Risk of unauthorized operations or information disclosure. CVE-2025-64791
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64790). Risk of unauthorized operations or information disclosure. CVE-2025-64790
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64789). Risk of unauthorized operations or information disclosure. CVE-2025-64789
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64623). Risk of unauthorized operations or information disclosure. CVE-2025-64623
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64614). Risk of unauthorized operations or information disclosure. CVE-2025-64614
- 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-2025-64615). Risk of unauthorized operations or information disclosure. CVE-2025-64615
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64619). Risk of unauthorized operations or information disclosure. CVE-2025-64619