Cross-Site Scripting

⚔️ Attack Types Related 8,164
slug: xss

Explanation

XSSは「Webページの中に、攻撃者の悪意あるJavaScriptを忍び込ませる」攻撃です。 例えば掲示板に `<script>盗む()</script>` のような投稿をして、それを見た他のユーザーのCookie (ログイン情報) を盗む、といった攻撃が典型的です。 対策は「ユーザー入力を画面に出すときに、HTMLとして無害化 (エスケープ) する」こと。多くのフレームワークでは標準で対策されています。
📌 Example
2005年MySpaceワーム「Samy」: 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100万人に感染した有名事件。

🔖 Related tags

🛡 Vulnerabilities tagged with this 8,455

Image ID Title
CVE-2026-8445 Cross-Site Scripting (XSS) in justhtml (CVE-2026-8445)
CVE-2026-7808 Vulnerability in justhtml (CVE-2026-7808)
CVE-2026-77088 Cross-Site Scripting (XSS) in justhtml (CVE-2026-77088)
CVE-2026-74793 Cross-Site Scripting (XSS) in justhtml (CVE-2026-74793)
CVE-2026-5389 Vulnerability in justhtml (CVE-2026-5389)
CVE-2026-5751 Cross-Site Scripting (XSS) in justhtml (CVE-2026-5751)
CVE-2026-6827 Cross-Site Scripting (XSS) in justhtml (CVE-2026-6827)
CVE-2026-78060 Cross-Site Scripting (XSS) in SourceCodester Stock Management System (CVE-2026-78060)
CVE-2026-78059 Cross-Site Scripting (XSS) in SourceCodester Stock Management System (CVE-2026-78059)
CVE-2026-78055 Cross-Site Scripting (XSS) in SourceCodester Class and Exam Timetabling System (CVE-2026-78055)
CVE-2026-78054 Cross-Site Scripting (XSS) in SourceCodester Class and Exam Timetabling System (CVE-2026-78054)
CVE-2026-77027 Joomla Extension - fabrikar.com - Unauthenticated stored XSS in Fabrik < 4.7.2 - The handling of...
CVE-2026-4561 Cross-Site Scripting (XSS) in MC4WP: Mailchimp for (WordPress plugin) (CVE-2026-4561)
CVE-2026-4559 Cross-Site Scripting (XSS) in Image Photo Gallery Final Tiles Grid (WordPress plugin) (CVE-2026-4559)
CVE-2026-66917 Joomla Extension - joomgalleryfriends.net - Stored XSS in JoomGallery < 4.4.0 - An authenticated,...
CVE-2026-53529 Cross-Site Scripting (XSS) in LeafWiki (CVE-2026-53529)
CVE-2026-53468 Cross-Site Scripting (XSS) in Typemill (CVE-2026-53468)
CVE-2026-33240 Combodo iTop is a web based IT service management tool. Prior to 3.2.3, there was a Reflected Cross-Site Scripting…
CVE-2026-69233 Cross-Site Scripting (XSS) in Esri Portal for ArcGIS (CVE-2026-69233)
CVE-2026-69230 Cross-Site Scripting (XSS) in Esri Portal for ArcGIS (CVE-2026-69230)
CVE-2026-69231 Cross-Site Scripting (XSS) in Esri Portal for ArcGIS (CVE-2026-69231)
CVE-2026-69234 Cross-Site Scripting (XSS) in Esri Portal for ArcGIS (CVE-2026-69234)
CVE-2026-69232 Cross-Site Scripting (XSS) in Esri Portal for ArcGIS (CVE-2026-69232)
CVE-2026-69236 Cross-Site Scripting (XSS) in Esri Portal for ArcGIS (CVE-2026-69236)
CVE-2026-69235 Cross-Site Scripting (XSS) in Esri Portal for ArcGIS (CVE-2026-69235)
CVE-2026-30890 Combodo iTop is a web based IT service management tool. Prior to 3.2.3, there is a Reflected Cross-Site Scripting (XSS)…
CVE-2026-31803 Combodo iTop is a web based IT service management tool. Prior to 3.2.3, 3.2.3, there is a Reflected Cross-Site…
CVE-2026-31880 Combodo iTop is a web based IT service management tool. Prior to 3.2.3, there is a Reflected Cross-Site Scripting (XSS)…
CVE-2026-30826 Combodo iTop is a web based IT service management tool. Prior to 3.2.3, there is a Reflected Cross-Site Scripting (XSS)…
CVE-2026-30865 Combodo iTop is a web based IT service management tool. Prior to 3.2.3, there is a Reflected Cross-Site Scripting (XSS)…

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