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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":June 13, 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
258061 4.3 警告 Opera Software ASA - Windows 上で稼働する 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-2008-5428 2010-09-27 16:07 2008-12-11 Show GitHub Exploit DB Packet Storm
258062 4.3 警告 Opera Software ASA - Opera の Opera.dll 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-2008-4725 2010-09-27 16:07 2008-10-23 Show GitHub Exploit DB Packet Storm
258063 5.8 警告 Opera Software ASA - Opera における新規フィードの購読を作成される脆弱性 CWE-264
認可・権限・アクセス制御 		CVE-2008-4698 2010-09-27 16:05 2008-10-23 Show GitHub Exploit DB Packet Storm
258064 10 危険 Opera Software ASA - Windows 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-noinfo
情報不足 		CVE-2008-4293 2010-09-27 16:05 2008-09-27 Show GitHub Exploit DB Packet Storm
258065 10 危険 Opera Software ASA - Opera における CRL の更新時の処理に関する脆弱性 CWE-255
CWE-noinfo
CVE-2008-4292 2010-09-27 16:04 2008-09-27 Show GitHub Exploit DB Packet Storm
258066 6.4 警告 Opera Software ASA - Opera における Web スクリプトを含むページの URL をアドレスフィールドに表示される脆弱性 CWE-20
不適切な入力確認 		CVE-2008-4200 2010-09-27 16:04 2008-09-27 Show GitHub Exploit DB Packet Storm
258067 5 警告 Opera Software ASA - Opera におけるローカルファイル名の有効性を判別される脆弱性 CWE-200
情報漏えい 		CVE-2008-4199 2010-09-27 16:04 2008-09-27 Show GitHub Exploit DB Packet Storm
258068 7.5 危険 Opera Software ASA - Opera における http ページ上で危険な操作を実行させられる脆弱性 CWE-Other
その他 		CVE-2008-4198 2010-09-27 16:03 2008-09-27 Show GitHub Exploit DB Packet Storm
258069 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-399
リソース管理の問題 		CVE-2008-4197 2010-09-27 16:03 2008-09-27 Show GitHub Exploit DB Packet Storm
258070 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-2008-4196 2010-09-27 16:02 2008-09-27 Show GitHub Exploit DB Packet Storm
NVD Vulnerability Information

Update Date:June 13, 2026, 4:20 a.m.

No CVSS Level
Attach Vector		 Vendor Name Project Name Title CWE CVE Update Date Publication Date Show Affected Exploit
PoC
Search
200031 5.4 MEDIUM
Network 		cybozu garoon Cross-site scripting vulnerability in Bulletin of Cybozu Garoon 4.6.0 to 5.0.2 allows a remote authenticated attacker to inject an arbitrary script via unspecified vectors. CWE-79
Cross-site Scripting 		CVE-2021-20769 2024-11-21 14:47 2021-08-18 Show GitHub Exploit DB Packet Storm
200032 4.3 MEDIUM
Network 		cybozu garoon Operational restrictions bypass vulnerability in Scheduler and MultiReport of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote authenticated attacker to delete the data of Scheduler and MultiReport witho… NVD-CWE-Other
CVE-2021-20768 2024-11-21 14:47 2021-08-18 Show GitHub Exploit DB Packet Storm
200033 5.4 MEDIUM
Network 		cybozu garoon Cross-site scripting vulnerability in Full Text Search 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-2021-20767 2024-11-21 14:47 2021-08-18 Show GitHub Exploit DB Packet Storm
200034 6.1 MEDIUM
Network 		cybozu garoon Cross-site scripting vulnerability in Message of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote attacker to inject an arbitrary script via unspecified vectors. CWE-79
Cross-site Scripting 		CVE-2021-20766 2024-11-21 14:47 2021-08-18 Show GitHub Exploit DB Packet Storm
200035 6.1 MEDIUM
Network 		cybozu garoon Cross-site scripting vulnerability in Bulletin of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote attacker to inject an arbitrary script via unspecified vectors. CWE-79
Cross-site Scripting 		CVE-2021-20765 2024-11-21 14:47 2021-08-18 Show GitHub Exploit DB Packet Storm
200036 5.3 MEDIUM
Network 		cybozu garoon Improper input validation vulnerability in Attaching Files of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote attacker to alter the data of Attaching Files. CWE-20
 Improper Input Validation  		CVE-2021-20764 2024-11-21 14:47 2021-08-18 Show GitHub Exploit DB Packet Storm
200037 4.3 MEDIUM
Network 		cybozu garoon Operational restrictions bypass vulnerability in Portal of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote authenticated attacker to obtain the data of Portal without the appropriate privilege. NVD-CWE-Other
CVE-2021-20763 2024-11-21 14:47 2021-08-18 Show GitHub Exploit DB Packet Storm
200038 4.3 MEDIUM
Network 		cybozu garoon Improper input validation vulnerability in E-mail of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote authenticated to alter the data of E-mail without the appropriate privilege. CWE-20
 Improper Input Validation  		CVE-2021-20762 2024-11-21 14:47 2021-08-18 Show GitHub Exploit DB Packet Storm
200039 2.7 LOW
Network 		cybozu garoon Improper input validation vulnerability in E-mail of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote attacker with an administrative privilege to alter the data of E-mail without the appropriate privile… CWE-20
 Improper Input Validation  		CVE-2021-20761 2024-11-21 14:47 2021-08-18 Show GitHub Exploit DB Packet Storm
200040 4.3 MEDIUM
Network 		cybozu garoon Improper input validation vulnerability in User Profile of Cybozu Garoon 4.0.0 to 5.0.2 allows a remote authenticated attacker to alter the data of User Profile without the appropriate privilege. CWE-20
 Improper Input Validation  		CVE-2021-20760 2024-11-21 14:47 2021-08-18 Show GitHub Exploit DB Packet Storm