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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 1, 2026, 6 p.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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252821 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
252822 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
252823 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
252824 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
252825 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
252826 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
252827 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
252828 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
252829 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
252830 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
NVD Vulnerability Information

Update Date:May 1, 2026, 4:54 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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288871 - opera opera_browser Opera before 12.12 does not properly allocate memory for GIF images, which allows remote attackers to execute arbitrary code or cause a denial of service (memory overwrite) via a malformed image. CWE-119
Incorrect Access of Indexable Resource ('Range Error')  		CVE-2012-6470 2024-11-21 10:46 2013-01-2 Show GitHub Exploit DB Packet Storm
288872 - opera opera_browser Opera before 12.11 allows remote attackers to determine the existence of arbitrary local files via vectors involving web script in an error page. CWE-200
Information Exposure 		CVE-2012-6469 2024-11-21 10:46 2013-01-2 Show GitHub Exploit DB Packet Storm
288873 - opera opera_browser Heap-based buffer overflow in Opera before 12.11 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via a long HTTP response. CWE-119
Incorrect Access of Indexable Resource ('Range Error')  		CVE-2012-6468 2024-11-21 10:46 2013-01-2 Show GitHub Exploit DB Packet Storm
288874 - opera opera_browser Opera before 12.10 follows Internet shortcuts that are referenced by a (1) IMG element or (2) other inline element, which makes it easier for remote attackers to conduct phishing attacks via a crafte… NVD-CWE-noinfo
CVE-2012-6467 2024-11-21 10:46 2013-01-2 Show GitHub Exploit DB Packet Storm
288875 - opera opera_browser Opera before 12.10 does not properly handle incorrect size data in a WebP image, which allows remote attackers to obtain potentially sensitive information from process memory by using a crafted image… CWE-200
Information Exposure 		CVE-2012-6466 2024-11-21 10:46 2013-01-2 Show GitHub Exploit DB Packet Storm
288876 - opera opera_browser Opera before 12.10 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via a malformed SVG image. CWE-94
Code Injection 		CVE-2012-6465 2024-11-21 10:46 2013-01-2 Show GitHub Exploit DB Packet Storm
288877 - opera opera_browser Cross-site scripting (XSS) vulnerability in Opera before 12.10 allows remote attackers to inject arbitrary web script or HTML via crafted JavaScript code that overrides methods of unspecified native … CWE-79
Cross-site Scripting 		CVE-2012-6464 2024-11-21 10:46 2013-01-2 Show GitHub Exploit DB Packet Storm
288878 - opera opera_browser Cross-site scripting (XSS) vulnerability in Opera before 12.10 allows remote attackers to inject arbitrary web script or HTML via vectors involving an unspecified sequence of loading of documents and… CWE-79
Cross-site Scripting 		CVE-2012-6463 2024-11-21 10:46 2013-01-2 Show GitHub Exploit DB Packet Storm
288879 - opera opera_browser Opera before 12.10 does not properly implement the Cross-Origin Resource Sharing (CORS) specification, which allows remote attackers to bypass intended page-content restrictions via a crafted request. CWE-264
Permissions, Privileges, and Access Controls 		CVE-2012-6462 2024-11-21 10:46 2013-01-2 Show GitHub Exploit DB Packet Storm
288880 - opera opera_browser The X.509 certificate-validation functionality in the https implementation in Opera before 12.10 allows remote attackers to trigger a false indication of successful revocation-status checking by caus… CWE-20
 Improper Input Validation  		CVE-2012-6461 2024-11-21 10:46 2013-01-2 Show GitHub Exploit DB Packet Storm