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 4.6 Cross-Site Scripting (XSS) in Jetbrains Teamcity Cross-site scripting in Jetbrains Teamcity (CVE-2025-67741). Risk of unauthorized operations or information disclosure. CVE-2025-67741
- Low 3.5 Cross-Site Scripting (XSS) in baowzh hfly Cross-site scripting in baowzh hfly (CVE-2025-14519). Risk of unauthorized operations or information disclosure. CVE-2025-14519
- High 8.0 Cross-Site Scripting (XSS) in Gitlab Cross-site scripting in Gitlab (CVE-2025-12029). Confidential information can be exposed externally. CVE-2025-12029
- Medium 6.4 Cross-Site Scripting (XSS) in Widgets for Google Reviews (WordPress plugin) Cross-site scripting in Widgets for Google Reviews (WordPress plugin) (CVE-2025-9436). Risk of unauthorized operations or information disclosure. Exploitable via trustindex. CVE-2025-9436
- High 8.7 Cross-Site Scripting (XSS) in Gitlab Cross-site scripting in Gitlab (CVE-2025-12716). Confidential information can be exposed externally. CVE-2025-12716
- High 7.1 Cross-Site Scripting (XSS) in Shopware Cross-site scripting in Shopware (CVE-2025-67648). Data can be tampered with by attackers. CVE-2025-67648
- Medium 6.1 Cross-Site Scripting (XSS) in XWiki Platform Cross-site scripting in XWiki Platform (CVE-2025-66472). Risk of unauthorized operations or information disclosure. CVE-2025-66472
- Medium 5.4 Cross-Site Scripting (XSS) in Chyrp Cross-site scripting in Chyrp (CVE-2024-58285). Risk of unauthorized operations or information disclosure. CVE-2024-58285
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64875). Risk of unauthorized operations or information disclosure. CVE-2025-64875
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64873). Risk of unauthorized operations or information disclosure. CVE-2025-64873
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64888). Risk of unauthorized operations or information disclosure. CVE-2025-64888
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64887). Risk of unauthorized operations or information disclosure. CVE-2025-64887
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64881). Risk of unauthorized operations or information disclosure. CVE-2025-64881
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64857). Risk of unauthorized operations or information disclosure. CVE-2025-64857
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64858). Risk of unauthorized operations or information disclosure. CVE-2025-64858
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64861). Risk of unauthorized operations or information disclosure. CVE-2025-64861
- Medium 4.8 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64872). Risk of unauthorized operations or information disclosure. CVE-2025-64872
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64869). Risk of unauthorized operations or information disclosure. CVE-2025-64869
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64863). Risk of unauthorized operations or information disclosure. CVE-2025-64863
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64852). Risk of unauthorized operations or information disclosure. CVE-2025-64852
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64850). Risk of unauthorized operations or information disclosure. CVE-2025-64850
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64847). Risk of unauthorized operations or information disclosure. CVE-2025-64847
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64845). Risk of unauthorized operations or information disclosure. CVE-2025-64845
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64841). Risk of unauthorized operations or information disclosure. CVE-2025-64841
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64840). Risk of unauthorized operations or information disclosure. CVE-2025-64840
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64853). Risk of unauthorized operations or information disclosure. CVE-2025-64853
- Medium 5.4 Cross-Site Scripting (XSS) in Adobe Experience Manager Cross-site scripting in Adobe Experience Manager (CVE-2025-64827). Risk of unauthorized operations or information disclosure. CVE-2025-64827
- 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-2025-64829). Risk of unauthorized operations or information disclosure. CVE-2025-64829