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 9,208
- Critical 9.6 Cross-Site Scripting (XSS) in Frappe Framework Cross-site scripting in Frappe Framework (CVE-2025-67289). Successful exploitation can lead to full system takeover. CVE-2025-67289
- Medium 6.8 Cross-Site Scripting (XSS) in Infra Monitoring Cross-site scripting in Infra Monitoring (CVE-2025-54890). Confidential information can be exposed externally. CVE-2025-54890
- Medium 6.8 Cross-Site Scripting (XSS) in Infra Monitoring Cross-site scripting in Infra Monitoring (CVE-2025-8460). Confidential information can be exposed externally. CVE-2025-8460
- Medium 6.5 Cross-Site Scripting (XSS) in Void Elementor WHMCS Elements For Elementor Page Builder Cross-site scripting in Void Elementor WHMCS Elements For Elementor Page Builder (CVE-2025-62094). Risk of unauthorized operations or information disclosure. CVE-2025-62094
- Medium 6.5 Cross-Site Scripting (XSS) in WP Microdata Cross-site scripting in WP Microdata (CVE-2025-62901). Risk of unauthorized operations or information disclosure. CVE-2025-62901
- Medium 6.5 Cross-Site Scripting (XSS) in TempTool [Show Current Template Info] Cross-site scripting in TempTool [Show Current Template Info] (CVE-2025-62926). Risk of unauthorized operations or information disclosure. CVE-2025-62926
- High 7.2 Cross-Site Scripting (XSS) in SureForms (WordPress plugin) Cross-site scripting in SureForms (WordPress plugin) (CVE-2025-14855). Risk of unauthorized operations or information disclosure. CVE-2025-14855
- High 7.2 Cross-Site Scripting (XSS) in ELEX WordPress HelpDesk & Customer Ticketing System (WordPress plugin) Cross-site scripting in ELEX WordPress HelpDesk & Customer Ticketing System (WordPress plugin) (CVE-2025-9343). Risk of unauthorized operations or information disclosure. CVE-2025-9343
- Medium 6.4 Cross-Site Scripting (XSS) in Image Photo Gallery Final Tiles Grid (WordPress plugin) Cross-site scripting in Image Photo Gallery Final Tiles Grid (WordPress plugin) (CVE-2025-13693). Risk of unauthorized operations or information disclosure. CVE-2025-13693
- Medium 6.4 Cross-Site Scripting (XSS) in WordPress Cross-site scripting in WordPress (CVE-2025-13220). Risk of unauthorized operations or information disclosure. CVE-2025-13220
- Low 2.4 Cross-Site Scripting (XSS) in Campcodes Complete Online Beauty Parlor Management System Cross-site scripting in Campcodes Complete Online Beauty Parlor Management System (CVE-2025-14991). Risk of unauthorized operations or information disclosure. CVE-2025-14991
- Medium 6.1 Cross-Site Scripting (XSS) in Product Table for WooCommerce (WordPress plugin) Cross-site scripting in Product Table for WooCommerce (WordPress plugin) (CVE-2025-12398). Risk of unauthorized operations or information disclosure. CVE-2025-12398
- Medium 4.4 Cross-Site Scripting (XSS) in WC Builder – WooCommerce Page Builder for WPBakery (WordPress plugin) Cross-site scripting in WC Builder – WooCommerce Page Builder for WPBakery (WordPress plugin) (CVE-2025-14054). Risk of unauthorized operations or information disclosure. CVE-2025-14054
- Medium 6.4 Cross-Site Scripting (XSS) in WishSuite (WordPress plugin) Cross-site scripting in WishSuite (WordPress plugin) (CVE-2025-13838). Risk of unauthorized operations or information disclosure. CVE-2025-13838
- Medium 6.1 Cross-Site Scripting (XSS) in Five Star Restaurant Reservations – WordPress Booking Plugin (WordPress plugin) Cross-site scripting in Five Star Restaurant Reservations – WordPress Booking Plugin (WordPress plugin) (CVE-2025-11496). Risk of unauthorized operations or information disclosure. CVE-2025-11496
- Medium 5.5 Cross-Site Scripting (XSS) in Responsive and Swipe slider (WordPress plugin) Cross-site scripting in Responsive and Swipe slider (WordPress plugin) (CVE-2025-14721). Risk of unauthorized operations or information disclosure. CVE-2025-14721
- Medium 4.3 Cross-Site Scripting (XSS) in code-projects Simple Stock System Cross-site scripting in code-projects Simple Stock System (CVE-2025-14962). Risk of unauthorized operations or information disclosure. CVE-2025-14962
- High 7.2 Cross-Site Scripting (XSS) in SlimStat Analytics (WordPress plugin) Cross-site scripting in SlimStat Analytics (WordPress plugin) (CVE-2025-14151). Risk of unauthorized operations or information disclosure. CVE-2025-14151
- Medium 6.3 Cross-Site Scripting (XSS) in Foxit Cross-site scripting in Foxit (CVE-2025-66519). Confidential information can be exposed externally. CVE-2025-66519
- Medium 6.3 Cross-Site Scripting (XSS) in Foxit Cross-site scripting in Foxit (CVE-2025-66502). Confidential information can be exposed externally. CVE-2025-66502
- High 8.2 Cross-Site Scripting (XSS) in Office Out-of-Box Experience Cross-site scripting in Office Out-of-Box Experience (CVE-2025-64677). Confidential information can be exposed externally. CVE-2025-64677
- Medium 6.1 Cross-Site Scripting (XSS) in Yohanawi Cross-site scripting in Yohanawi (CVE-2025-63949). Risk of unauthorized operations or information disclosure. CVE-2025-63949
- Medium 5.4 Cross-Site Scripting (XSS) in Craigtaub Cross-site scripting in Craigtaub (CVE-2025-63947). Risk of unauthorized operations or information disclosure. CVE-2025-63947
- Medium 6.1 Cross-Site Scripting (XSS) in Zohocorp ManageEngine Applications Manager Cross-site scripting in Zohocorp ManageEngine Applications Manager (CVE-2025-9787). Confidential information can be exposed externally. CVE-2025-9787
- Medium 4.7 Cross-Site Scripting (XSS) in Nozominetworks Cross-site scripting in Nozominetworks (CVE-2025-40891). Risk of unauthorized operations or information disclosure. CVE-2025-40891
- Unrated A vulnerability in the file upload at bookmark + asset rendering pipeline allows an attacker to upload a malicious SVG… Cross-site scripting reported (CVE-2025-14202). Risk of unauthorized operations or information disclosure. CVE-2025-14202
- High 8.1 Cross-Site Scripting (XSS) in Return Policy" configuration field Cross-site scripting in Return Policy" configuration field (CVE-2025-68147). Confidential information can be exposed externally. CVE-2025-68147
- Medium 5.4 Cross-Site Scripting (XSS) in ChurchCRM Cross-site scripting in ChurchCRM (CVE-2025-67875). Risk of unauthorized operations or information disclosure. CVE-2025-67875
- Critical 9.6 Cross-Site Scripting (XSS) in DriveLock Operations Center Cross-site scripting in DriveLock Operations Center (CVE-2025-67787). Confidential information can be exposed externally. CVE-2025-67787
- Medium 6.1 Cross-Site Scripting (XSS) in SLiMS Cross-site scripting in SLiMS (CVE-2025-65233). Risk of unauthorized operations or information disclosure. CVE-2025-65233