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
- Low 3.5 Cross-Site Scripting (XSS) in SohuTV CacheCloud Cross-site scripting in SohuTV CacheCloud (CVE-2025-15173). Risk of unauthorized operations or information disclosure. CVE-2025-15173
- Low 3.5 Cross-Site Scripting (XSS) in SohuTV CacheCloud Cross-site scripting in SohuTV CacheCloud (CVE-2025-15172). Risk of unauthorized operations or information disclosure. CVE-2025-15172
- Low 3.5 Cross-Site Scripting (XSS) in SohuTV CacheCloud Cross-site scripting in SohuTV CacheCloud (CVE-2025-15171). Risk of unauthorized operations or information disclosure. CVE-2025-15171
- Medium 4.3 Cross-Site Scripting (XSS) in Advaya Softech GEMS ERP Portal Cross-site scripting in Advaya Softech GEMS ERP Portal (CVE-2025-15170). Risk of unauthorized operations or information disclosure. CVE-2025-15170
- Low 2.4 Cross-Site Scripting (XSS) in rawchen ecms Cross-site scripting in rawchen ecms (CVE-2025-15149). Risk of unauthorized operations or information disclosure. CVE-2025-15149
- Low 2.4 Cross-Site Scripting (XSS) in SohuTV CacheCloud Cross-site scripting in SohuTV CacheCloud (CVE-2025-15146). Risk of unauthorized operations or information disclosure. CVE-2025-15146
- Low 2.4 Cross-Site Scripting (XSS) in SohuTV CacheCloud Cross-site scripting in SohuTV CacheCloud (CVE-2025-15145). Risk of unauthorized operations or information disclosure. CVE-2025-15145
- Medium 4.3 Cross-Site Scripting (XSS) in dayrui XunRuiCMS Cross-site scripting in dayrui XunRuiCMS (CVE-2025-15144). Risk of unauthorized operations or information disclosure. CVE-2025-15144
- Low 3.5 Cross-Site Scripting (XSS) in yourmaileyes MOOC Cross-site scripting in yourmaileyes MOOC (CVE-2025-15134). Risk of unauthorized operations or information disclosure. CVE-2025-15134
- Medium 6.1 Cross-Site Scripting (XSS) in Libredesk Cross-site scripting in Libredesk (CVE-2025-68927). Risk of unauthorized operations or information disclosure. Exploitable via POST /api/v1/contacts/{id}/notes. CVE-2025-68927
- High 7.3 Cross-Site Scripting (XSS) in N8N Cross-site scripting in N8N (CVE-2025-61914). Confidential information can be exposed externally. CVE-2025-61914
- Medium 6.1 Cross-Site Scripting (XSS) in Fluentcms Cross-site scripting in Fluentcms (CVE-2025-67349). Risk of unauthorized operations or information disclosure. CVE-2025-67349
- Medium 5.4 Vulnerability in Hanwhavision CVE-2025-8075
- Medium 5.4 Cross-Site Scripting (XSS) in gitea Cross-site scripting in gitea (CVE-2025-68946). Risk of unauthorized operations or information disclosure. Mitigation: upgrade to 1.20.1 or later. CVE-2025-68946
- Medium 5.4 Cross-Site Scripting (XSS) in Gitea Cross-site scripting in Gitea (CVE-2025-68942). Risk of unauthorized operations or information disclosure. CVE-2025-68942
- Low 3.5 Cross-Site Scripting (XSS) in postmanlabs httpbin Cross-site scripting in postmanlabs httpbin (CVE-2025-15095). Risk of unauthorized operations or information disclosure. CVE-2025-15095
- Medium 4.3 Cross-Site Scripting (XSS) in sunkaifei FlyCMS Cross-site scripting in sunkaifei FlyCMS (CVE-2025-15094). Risk of unauthorized operations or information disclosure. CVE-2025-15094
- Medium 4.3 Cross-Site Scripting (XSS) in sunkaifei FlyCMS Cross-site scripting in sunkaifei FlyCMS (CVE-2025-15093). Risk of unauthorized operations or information disclosure. CVE-2025-15093
- Medium 6.4 Cross-Site Scripting (XSS) in ONLYOFFICE Docs Cross-site scripting in ONLYOFFICE Docs (CVE-2025-68936). Risk of unauthorized operations or information disclosure. CVE-2025-68936
- Medium 6.4 Cross-Site Scripting (XSS) in ONLYOFFICE Docs Cross-site scripting in ONLYOFFICE Docs (CVE-2025-68935). Risk of unauthorized operations or information disclosure. CVE-2025-68935
- High 7.6 Cross-Site Scripting (XSS) in Aidango Cross-site scripting in Aidango (CVE-2025-2307). Data can be tampered with by attackers. CVE-2025-2307
- High 7.6 Cross-Site Scripting (XSS) in Titarus Cross-site scripting in Titarus (CVE-2025-2405). Data can be tampered with by attackers. CVE-2025-2405
- High 7.6 Cross-Site Scripting (XSS) in Trizbi Cross-site scripting in Trizbi (CVE-2025-2406). Data can be tampered with by attackers. CVE-2025-2406
- Medium 6.4 Cross-Site Scripting (XSS) in ONLYOFFICE Docs Cross-site scripting in ONLYOFFICE Docs (CVE-2025-68917). Risk of unauthorized operations or information disclosure. CVE-2025-68917
- Medium 5.5 Cross-Site Scripting (XSS) in Riello UPS NetMan 208 Application Cross-site scripting in Riello UPS NetMan 208 Application (CVE-2025-68915). Risk of unauthorized operations or information disclosure. CVE-2025-68915
- Medium 5.4 Cross-Site Scripting (XSS) in Specto CM Cross-site scripting in Specto CM (CVE-2025-2154). Risk of unauthorized operations or information disclosure. CVE-2025-2154
- Medium 6.5 Cross-Site Scripting (XSS) in Post Grid and Gutenberg Blocks Cross-site scripting in Post Grid and Gutenberg Blocks (CVE-2025-68605). Risk of unauthorized operations or information disclosure. CVE-2025-68605
- Medium 6.5 Cross-Site Scripting (XSS) in YouTube Embed Cross-site scripting in YouTube Embed (CVE-2025-68599). Risk of unauthorized operations or information disclosure. CVE-2025-68599
- Medium 6.5 Cross-Site Scripting (XSS) in Jobs for WordPress Cross-site scripting in Jobs for WordPress (CVE-2025-68597). Risk of unauthorized operations or information disclosure. CVE-2025-68597
- Medium 6.5 Cross-Site Scripting (XSS) in Page Builder Cross-site scripting in Page Builder (CVE-2025-68598). Risk of unauthorized operations or information disclosure. CVE-2025-68598