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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
255881 4.3 警告 Opera Software ASA - Opera における URL を偽装される脆弱性 CWE-Other
その他 		CVE-2009-3047 2010-09-27 16:15 2009-09-1 Show GitHub Exploit DB Packet Storm
255882 5 警告 Opera Software ASA - Opera における証明書チェーンの有効性を回避される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2009-3046 2010-09-27 16:15 2009-09-1 Show GitHub Exploit DB Packet Storm
255883 5 警告 Opera Software ASA - Opera における任意の SSL サーバになりすまされる脆弱性 CWE-310
暗号の問題 		CVE-2009-3045 2010-09-27 16:15 2009-09-1 Show GitHub Exploit DB Packet Storm
255884 9.3 危険 Opera Software ASA - Opera における任意のコードを実行される脆弱性 CWE-94
コード・インジェクション 		CVE-2009-3831 2010-09-27 16:14 2009-10-28 Show GitHub Exploit DB Packet Storm
255885 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-2009-3269 2010-09-27 16:14 2009-09-18 Show GitHub Exploit DB Packet Storm
255886 4.3 警告 Opera Software ASA - Opera におけるクロスサイトスクリプティングの脆弱性 CWE-79
クロスサイト・スクリプティング（XSS） 		CVE-2009-3266 2010-09-27 16:14 2009-09-18 Show GitHub Exploit DB Packet Storm
255887 4.3 警告 Opera Software ASA - Opera におけるクロスサイトスクリプティングの脆弱性 CWE-79
クロスサイト・スクリプティング（XSS） 		CVE-2009-3265 2010-09-27 16:14 2009-09-18 Show GitHub Exploit DB Packet Storm
255888 5 警告 Opera Software ASA - Opera の X.509 証明書における SSLサーバになりすまされる脆弱性 CWE-310
暗号の問題 		CVE-2009-3044 2010-09-27 16:13 2009-09-1 Show GitHub Exploit DB Packet Storm
255889 4.3 警告 Opera Software ASA - Opera における data: 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-2009-3013 2010-09-27 16:13 2009-08-31 Show GitHub Exploit DB Packet Storm
255890 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-2009-2577 2010-09-27 16:12 2009-07-22 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