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 Booking Calendar Cross-site scripting in Booking Calendar (CVE-2025-64381). Risk of unauthorized operations or information disclosure. CVE-2025-64381
- Medium 6.5 Cross-Site Scripting (XSS) in Booster for WooCommerce Cross-site scripting in Booster for WooCommerce (CVE-2025-64380). Risk of unauthorized operations or information disclosure. CVE-2025-64380
- Medium 6.5 Cross-Site Scripting (XSS) in Analytics Germanized for Google Analytics Cross-site scripting in Analytics Germanized for Google Analytics (CVE-2025-64292). Risk of unauthorized operations or information disclosure. CVE-2025-64292
- Medium 6.5 Cross-Site Scripting (XSS) in Booking Manager Cross-site scripting in Booking Manager (CVE-2025-64275). Risk of unauthorized operations or information disclosure. CVE-2025-64275
- Medium 5.9 Cross-Site Scripting (XSS) in Popup addon for Ninja Forms Cross-site scripting in Popup addon for Ninja Forms (CVE-2025-64264). Risk of unauthorized operations or information disclosure. CVE-2025-64264
- Medium 6.4 Cross-Site Scripting (XSS) in Save as PDF Button (WordPress plugin) Cross-site scripting in Save as PDF Button (WordPress plugin) (CVE-2025-8397). Risk of unauthorized operations or information disclosure. CVE-2025-8397
- Medium 6.4 Cross-Site Scripting (XSS) in WordPress Content Flipper (WordPress plugin) Cross-site scripting in WordPress Content Flipper (WordPress plugin) (CVE-2025-11769). Risk of unauthorized operations or information disclosure. CVE-2025-11769
- Medium 6.4 Cross-Site Scripting (XSS) in Angel – Fashion Model Agency WordPress CMS Theme (WordPress theme) Cross-site scripting in Angel – Fashion Model Agency WordPress CMS Theme (WordPress theme) (CVE-2025-10295). Risk of unauthorized operations or information disclosure. CVE-2025-10295
- Unrated Cross-Site Scripting (XSS) in Anubis Cross-site scripting in Anubis (CVE-2025-64716). Risk of unauthorized operations or information disclosure. CVE-2025-64716
- Unrated Cross-Site Scripting (XSS) in WebInteropApp/WebAppInterop Cross-site scripting in WebInteropApp/WebAppInterop (CVE-2025-64710). Risk of unauthorized operations or information disclosure. CVE-2025-64710
- Low 3.9 Cross-Site Scripting (XSS) in PrivateBin Cross-site scripting in PrivateBin (CVE-2025-64711). Risk of unauthorized operations or information disclosure. CVE-2025-64711
- Low 3.5 Cross-Site Scripting (XSS) in soerennb eXtplorer Cross-site scripting in soerennb eXtplorer (CVE-2025-13058). Risk of unauthorized operations or information disclosure. CVE-2025-13058
- High 7.3 Cross-Site Scripting (XSS) in Digital Corporate Warehouse Cross-site scripting in Digital Corporate Warehouse (CVE-2025-11962). Confidential information can be exposed externally. CVE-2025-11962
- High 7.2 Cross-Site Scripting (XSS) in Easy Email Subscription (WordPress plugin) Cross-site scripting in Easy Email Subscription (WordPress plugin) (CVE-2025-11994). Risk of unauthorized operations or information disclosure. CVE-2025-11994
- Medium 6.5 Cross-Site Scripting (XSS) in Apache Ofbiz Cross-site scripting in Apache Ofbiz (CVE-2025-61623). Risk of unauthorized operations or information disclosure. CVE-2025-61623
- Medium 4.8 Cross-Site Scripting (XSS) in Aenrich Cross-site scripting in Aenrich (CVE-2025-12869). Risk of unauthorized operations or information disclosure. CVE-2025-12869
- Medium 5.4 The a+HRD and a+HCM developed by aEnrich has a Stored Cross-Site Scripting vulnerability, allowing authenticated remote… Cross-site scripting reported (CVE-2025-12872). Risk of unauthorized operations or information disclosure. CVE-2025-12872
- Medium 4.4 Cross-Site Scripting (XSS) in MembershipWorks – Membership, Events & Directory (WordPress plugin) Cross-site scripting in MembershipWorks – Membership, Events & Directory (WordPress plugin) (CVE-2025-12018). Risk of unauthorized operations or information disclosure. CVE-2025-12018
- High 8.7 Cross-Site Scripting (XSS) in Dynamics 365 Field Service Cross-site scripting in Dynamics 365 Field Service (CVE-2025-62211). Confidential information can be exposed externally. CVE-2025-62211
- High 8.7 Cross-Site Scripting (XSS) in Dynamics 365 Field Service Cross-site scripting in Dynamics 365 Field Service (CVE-2025-62210). Confidential information can be exposed externally. CVE-2025-62210
- Unrated Cross-Site Scripting (XSS) in NetScaler ADC and NetScaler Gateway when the appliance is configured as a Gateway (VPN… Cross-site scripting reported (CVE-2025-12101). Risk of unauthorized operations or information disclosure. CVE-2025-12101
- Medium 6.5 Cross-Site Scripting (XSS) in Zohocorp ManageEngine OpManager Cross-site scripting in Zohocorp ManageEngine OpManager (CVE-2025-9227). Risk of unauthorized operations or information disclosure. CVE-2025-9227
- Medium 5.4 Cross-Site Scripting (XSS) in Fairsketch Cross-site scripting in Fairsketch (CVE-2025-41106). Risk of unauthorized operations or information disclosure. CVE-2025-41106
- Medium 5.4 Cross-Site Scripting (XSS) in Fairsketch Cross-site scripting in Fairsketch (CVE-2025-41104). Risk of unauthorized operations or information disclosure. CVE-2025-41104
- Medium 5.4 Cross-Site Scripting (XSS) in Fairsketch Cross-site scripting in Fairsketch (CVE-2025-41105). Risk of unauthorized operations or information disclosure. CVE-2025-41105
- Medium 5.4 Cross-Site Scripting (XSS) in Fairsketch Cross-site scripting in Fairsketch (CVE-2025-41103). Risk of unauthorized operations or information disclosure. CVE-2025-41103
- Medium 6.1 Cross-Site Scripting (XSS) in KVKNET Cross-site scripting in KVKNET (CVE-2025-11960). Risk of unauthorized operations or information disclosure. CVE-2025-11960
- Medium 5.4 Cross-Site Scripting (XSS) in Fairsketch Cross-site scripting in Fairsketch (CVE-2025-41101). Risk of unauthorized operations or information disclosure. CVE-2025-41101
- Medium 5.4 Cross-Site Scripting (XSS) in Fairsketch Cross-site scripting in Fairsketch (CVE-2025-41102). Risk of unauthorized operations or information disclosure. CVE-2025-41102
- High 7.3 Cross-Site Scripting (XSS) in Zohocorp ManageEngine Exchange Reporter Plus Cross-site scripting in Zohocorp ManageEngine Exchange Reporter Plus (CVE-2025-7632). Confidential information can be exposed externally. CVE-2025-7632