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You can search for vulnerabilities managed by JVN (Japan Vulnerability Note) and NVD (National Vulnerability Database).
Search keywords must be entered in English otherwise will not be searched in both JVN and NVD.

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 28, 2026, 4:16 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
195851 5.4 MEDIUM
Network 		cybozu garoon Cross-site scripting vulnerability in Scheduler of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors. CWE-79
Cross-site Scripting 		CVE-2021-20753 2024-11-21 14:47 2021-08-18 Show GitHub Exploit DB Packet Storm
195852 6.1 MEDIUM
Network 		groupsession groupsession_zion
groupsession_bycloud
groupsession 		Open redirect vulnerability in GroupSession (GroupSession Free edition from ver2.2.0 to the version prior to ver5.1.0, GroupSession byCloud from ver3.0.3 to the version prior to ver5.1.0, and GroupSe… CWE-601
Open Redirect 		CVE-2021-20789 2024-11-21 14:47 2021-07-30 Show GitHub Exploit DB Packet Storm
195853 4.3 MEDIUM
Network 		groupsession groupsession_zion
groupsession_bycloud
groupsession 		Server-side request forgery (SSRF) vulnerability in GroupSession (GroupSession Free edition from ver2.2.0 to the version prior to ver5.1.0, GroupSession byCloud from ver3.0.3 to the version prior to … CWE-918
Server-Side Request Forgery (SSRF)  		CVE-2021-20788 2024-11-21 14:47 2021-07-30 Show GitHub Exploit DB Packet Storm
195854 4.8 MEDIUM
Network 		groupsession groupsession_zion
groupsession_bycloud
groupsession 		Cross-site scripting vulnerability in GroupSession (GroupSession Free edition from ver2.2.0 to the version prior to ver5.1.0, GroupSession byCloud from ver3.0.3 to the version prior to ver5.1.0, and … CWE-79
Cross-site Scripting 		CVE-2021-20787 2024-11-21 14:47 2021-07-30 Show GitHub Exploit DB Packet Storm
195855 4.3 MEDIUM
Network 		groupsession groupsession_zion
groupsession_bycloud
groupsession 		Cross-site request forgery (CSRF) vulnerability in GroupSession (GroupSession Free edition from ver2.2.0 to the version prior to ver5.1.0, GroupSession byCloud from ver3.0.3 to the version prior to v… CWE-352
 Origin Validation Error 		CVE-2021-20786 2024-11-21 14:47 2021-07-30 Show GitHub Exploit DB Packet Storm
195856 4.8 MEDIUM
Network 		groupsession groupsession_zion
groupsession_bycloud
groupsession 		Cross-site scripting vulnerability in GroupSession (GroupSession Free edition from ver2.2.0 to the version prior to ver5.1.0, GroupSession byCloud from ver3.0.3 to the version prior to ver5.1.0, and … CWE-79
Cross-site Scripting 		CVE-2021-20785 2024-11-21 14:47 2021-07-30 Show GitHub Exploit DB Packet Storm
195857 8.8 HIGH
Network 		softbank optical_bb_unit_e-wmta_firmware Cross-site request forgery (CSRF) vulnerability in Optical BB unit E-WMTA2.3 allows a remote attacker to hijack the authentication of administrators via a specially crafted page. CWE-352
 Origin Validation Error 		CVE-2021-20783 2024-11-21 14:47 2021-07-30 Show GitHub Exploit DB Packet Storm
195858 6.1 MEDIUM
Network 		voidtools everything HTTP header injection vulnerability in Everything all versions except the Lite version may allow a remote attacker to inject an arbitrary script or alter the website that uses the product via unspeci… NVD-CWE-Other
CVE-2021-20784 2024-11-21 14:47 2021-07-14 Show GitHub Exploit DB Packet Storm
195859 8.8 HIGH
Network 		tipsandtricks-hq software_license_manager Cross-site request forgery (CSRF) vulnerability in Software License Manager versions prior to 4.4.6 allows remote attackers to hijack the authentication of administrators via unspecified vectors. CWE-352
 Origin Validation Error 		CVE-2021-20782 2024-11-21 14:47 2021-07-14 Show GitHub Exploit DB Packet Storm
195860 8.8 HIGH
Network 		pluginus wordpress_meta_data_and_taxonomies_filter Cross-site request forgery (CSRF) vulnerability in WordPress Meta Data Filter & Taxonomies Filter versions prior to v.1.2.8 and versions prior to v.2.2.8 allows remote attackers to hijack the authent… CWE-352
 Origin Validation Error 		CVE-2021-20781 2024-11-21 14:47 2021-07-14 Show GitHub Exploit DB Packet Storm