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You can search for vulnerabilities managed by JVN (Japan Vulnerability Note) and NVD (National Vulnerability Database).
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To search by CWE, please refer to the CWE Overview and check the CWE number.

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JVN Vulnerability Information

Update Date":May 27, 2026, 6 p.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Impact
Show		 Exploit
PoC
Search
255891 4.3 警告 Opera Software ASA - Opera におけるサービス運用妨害 (DoS) の脆弱性 CWE-399
リソース管理の問題 		CVE-2009-2540 2010-09-27 16:11 2009-07-20 Show GitHub Exploit DB Packet Storm
255892 4.3 警告 Opera Software ASA - Opera における javascript: URI をブロックしない脆弱性 CWE-79
クロスサイト・スクリプティング（XSS） 		CVE-2009-2351 2010-09-27 16:11 2009-07-7 Show GitHub Exploit DB Packet Storm
255893 6.8 警告 Opera Software ASA - Opera における任意の https サイトになりすまされる脆弱性 CWE-287
不適切な認証 		CVE-2009-2070 2010-09-27 16:11 2009-06-15 Show GitHub Exploit DB Packet Storm
255894 6.8 警告 Opera Software ASA - Opera における任意の Web スクリプトを実行される脆弱性 CWE-287
不適切な認証 		CVE-2009-2067 2010-09-27 16:10 2009-06-15 Show GitHub Exploit DB Packet Storm
255895 6.8 警告 Opera Software ASA - Opera における任意の Web スクリプトを実行される脆弱性 CWE-287
不適切な認証 		CVE-2009-2063 2010-09-27 16:10 2009-06-15 Show GitHub Exploit DB Packet Storm
255896 6.8 警告 Opera Software ASA - Opera における任意の Web スクリプトを実行される脆弱性 CWE-287
不適切な認証 		CVE-2009-2059 2010-09-27 16:10 2009-06-15 Show GitHub Exploit DB Packet Storm
255897 9.3 危険 アドビシステムズ
Opera Software ASA		 - Opera における Adobe Acrobat の JavaScript の制限を回避される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2009-1599 2010-09-27 16:09 2009-05-11 Show GitHub Exploit DB Packet Storm
255898 5 警告 Opera Software ASA - Opera におけるサービス運用妨害 (DoS) の脆弱性 CWE-399
リソース管理の問題 		CVE-2008-7245 2010-09-27 16:09 2009-09-18 Show GitHub Exploit DB Packet Storm
255899 9.3 危険 Opera Software ASA - Windows 上で稼働する Opera におけるヒープベースのバッファオーバーフローの脆弱性 CWE-119
バッファエラー 		CVE-2008-5178 2010-09-27 16:09 2008-11-20 Show GitHub Exploit DB Packet Storm
255900 10 危険 Opera Software ASA - Opera における脆弱性 CWE-noinfo
情報不足 		CVE-2009-0916 2010-09-27 16:08 2009-03-3 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:May 27, 2026, 4:52 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
195411 6.5 MEDIUM
Network 		google
microsoft 		chrome
edge_chromium 		Inappropriate implementation in DevTools in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to obtain potentially sensitive information from disk via a crafted HTML page. CWE-74
Injection 		CVE-2021-21137 2024-11-21 14:47 2021-02-9 Show GitHub Exploit DB Packet Storm
195412 6.5 MEDIUM
Network 		google
microsoft 		chrome
edge_chromium 		Insufficient policy enforcement in WebView in Google Chrome on Android prior to 88.0.4324.96 allowed a remote attacker to leak cross-origin data via a crafted HTML page. CWE-346
 Origin Validation Error 		CVE-2021-21136 2024-11-21 14:47 2021-02-9 Show GitHub Exploit DB Packet Storm
195413 6.5 MEDIUM
Network 		google
microsoft 		chrome
edge_chromium 		Inappropriate implementation in Performance API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to leak cross-origin data via a crafted HTML page. CWE-346
 Origin Validation Error 		CVE-2021-21135 2024-11-21 14:47 2021-02-9 Show GitHub Exploit DB Packet Storm
195414 6.5 MEDIUM
Network 		google
microsoft 		chrome
edge_chromium 		Incorrect security UI in Page Info in Google Chrome on iOS prior to 88.0.4324.96 allowed a remote attacker to spoof security UI via a crafted HTML page. CWE-290
 Authentication Bypass by Spoofing 		CVE-2021-21134 2024-11-21 14:47 2021-02-9 Show GitHub Exploit DB Packet Storm
195415 6.5 MEDIUM
Network 		google
microsoft 		chrome
edge_chromium 		Insufficient policy enforcement in Downloads in Google Chrome prior to 88.0.4324.96 allowed an attacker who convinced a user to download files to bypass navigation restrictions via a crafted HTML pag… NVD-CWE-Other
CVE-2021-21133 2024-11-21 14:47 2021-02-9 Show GitHub Exploit DB Packet Storm
195416 9.6 CRITICAL
Network 		google
microsoft 		chrome
edge_chromium 		Inappropriate implementation in DevTools in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially perform a sandbox escape via a crafted Chrome Extension. CWE-1021
 Improper Restriction of Rendered UI Layers or Frames 		CVE-2021-21132 2024-11-21 14:47 2021-02-9 Show GitHub Exploit DB Packet Storm
195417 6.5 MEDIUM
Network 		google
microsoft 		chrome
edge_chromium 		Insufficient policy enforcement in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page. CWE-59
CWE-434
Link Following
 Unrestricted Upload of File with Dangerous Type  		CVE-2021-21131 2024-11-21 14:47 2021-02-9 Show GitHub Exploit DB Packet Storm
195418 6.5 MEDIUM
Network 		google
microsoft 		chrome
edge_chromium 		Insufficient policy enforcement in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page. NVD-CWE-Other
CVE-2021-21130 2024-11-21 14:47 2021-02-9 Show GitHub Exploit DB Packet Storm
195419 6.5 MEDIUM
Network 		google
microsoft 		chrome
edge_chromium 		Insufficient policy enforcement in File System API in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to bypass filesystem restrictions via a crafted HTML page. NVD-CWE-Other
CVE-2021-21129 2024-11-21 14:47 2021-02-9 Show GitHub Exploit DB Packet Storm
195420 8.8 HIGH
Network 		google
microsoft 		chrome
edge_chromium 		Heap buffer overflow in Blink in Google Chrome prior to 88.0.4324.96 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. CWE-787
 Out-of-bounds Write 		CVE-2021-21128 2024-11-21 14:47 2021-02-9 Show GitHub Exploit DB Packet Storm