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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, 10 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Impact
Show		 Exploit
PoC
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255851 9.3 危険 Opera Software ASA - Windows および Mac OS X 上で稼働する Opera における任意のコードを実行される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2010-2666 2010-09-27 16:20 2010-06-21 Show GitHub Exploit DB Packet Storm
255852 4.3 警告 Opera Software ASA - Opera における URI の処理に関す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-2010-2665 2010-09-27 16:20 2010-06-21 Show GitHub Exploit DB Packet Storm
255853 4.3 警告 Opera Software ASA - Opera の HTML コンテンツにおけるサービス運用妨害 (DoS) の脆弱性 CWE-Other
その他 		CVE-2010-2664 2010-09-27 16:20 2010-07-1 Show GitHub Exploit DB Packet Storm
255854 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-Other
その他 		CVE-2010-2663 2010-09-27 16:20 2010-07-1 Show GitHub Exploit DB Packet Storm
255855 4.3 警告 Opera Software ASA - Opera におけるポップアップブロッカーを回避される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2010-2662 2010-09-27 16:20 2010-07-1 Show GitHub Exploit DB Packet Storm
255856 4.3 警告 Opera Software ASA - Opera における重要な情報を取得される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2010-2661 2010-09-27 16:19 2010-06-21 Show GitHub Exploit DB Packet Storm
255857 4.3 警告 Opera Software ASA - Opera における IDN ドメインになりすまされる脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2010-2660 2010-09-27 16:19 2010-06-21 Show GitHub Exploit DB Packet Storm
255858 4.3 警告 Opera Software ASA - Opera における重要な情報を取得される脆弱性 CWE-200
情報漏えい 		CVE-2010-2659 2010-09-27 16:19 2010-03-2 Show GitHub Exploit DB Packet Storm
255859 4.3 警告 Opera Software ASA - Opera における任意のファイルのアップロードを誘発させられる脆弱性 CWE-20
不適切な入力確認 		CVE-2010-2658 2010-09-27 16:19 2010-07-1 Show GitHub Exploit DB Packet Storm
255860 9.3 危険 Opera Software ASA - Windows および Mac OS X 上で稼働する Opera における任意のコードを実行される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2010-2657 2010-09-27 16:18 2010-07-1 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
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300161 - opera opera_browser Opera before 11.60 allows remote attackers to cause a denial of service (CPU and memory consumption) via unspecified content on a web page, as demonstrated by a page under the cisco.com home page. CWE-399
 Resource Management Errors 		CVE-2011-4687 2024-11-21 10:32 2011-12-8 Show GitHub Exploit DB Packet Storm
300162 - opera opera_browser Unspecified vulnerability in the Web Workers implementation in Opera before 11.60 allows remote attackers to cause a denial of service (application crash) via unknown vectors. NVD-CWE-noinfo
CVE-2011-4686 2024-11-21 10:32 2011-12-8 Show GitHub Exploit DB Packet Storm
300163 - opera opera_browser Dragonfly in Opera before 11.60 allows remote attackers to cause a denial of service (application crash) via unspecified content on a web page, as demonstrated by forbes.com. CWE-20
 Improper Input Validation  		CVE-2011-4685 2024-11-21 10:32 2011-12-8 Show GitHub Exploit DB Packet Storm
300164 - opera opera_browser Opera before 11.60 does not properly handle certificate revocation, which has unspecified impact and remote attack vectors related to "corner cases." CWE-310
Cryptographic Issues 		CVE-2011-4684 2024-11-21 10:32 2011-12-8 Show GitHub Exploit DB Packet Storm
300165 - opera opera_browser Unspecified vulnerability in Opera before 11.60 has unknown impact and attack vectors, related to a "moderately severe issue." NVD-CWE-noinfo
CVE-2011-4683 2024-11-21 10:32 2011-12-8 Show GitHub Exploit DB Packet Storm
300166 - opera opera_browser The JavaScript engine in Opera before 11.60 does not properly implement the in operator, which allows remote attackers to bypass the Same Origin Policy via vectors related to variables on different w… CWE-264
Permissions, Privileges, and Access Controls 		CVE-2011-4682 2024-11-21 10:32 2011-12-8 Show GitHub Exploit DB Packet Storm
300167 - opera opera_browser Opera before 11.60 does not properly consider the number of . (dot) characters that conventionally exist in domain names of different top-level domains, which allows remote attackers to bypass the Sa… CWE-264
Permissions, Privileges, and Access Controls 		CVE-2011-4681 2024-11-21 10:32 2011-12-8 Show GitHub Exploit DB Packet Storm
300168 - vtiger vtiger_crm Multiple cross-site scripting (XSS) vulnerabilities in the customer portal in vtiger CRM before 5.2.0 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors. CWE-79
Cross-site Scripting 		CVE-2011-4680 2024-11-21 10:32 2011-12-8 Show GitHub Exploit DB Packet Storm
300169 - vtiger vtiger_crm vtiger CRM before 5.3.0 does not properly recognize the disabled status of a field in the Leads module, which allows remote authenticated users to bypass intended access restrictions by reading a pre… CWE-264
Permissions, Privileges, and Access Controls 		CVE-2011-4679 2024-11-21 10:32 2011-12-8 Show GitHub Exploit DB Packet Storm
300170 - apc powerchute Cross-site scripting (XSS) vulnerability in Schneider Electric PowerChute Business Edition before 8.5 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors. CWE-79
Cross-site Scripting 		CVE-2011-4263 2024-11-21 10:32 2011-12-8 Show GitHub Exploit DB Packet Storm