https://patchthecve.com/CVEs with upgrade or downgrade fix stepshttps://patchthecve.com/cve/CVE-2021-44164.htmlhttps://patchthecve.com/cve/CVE-2021-44164.htmlWed, 17 Jun 2026 04:11:58 +0000CRITICAL 9.8: Chain Sea ai chatbot system’s file upload function has insufficient filtering for special characters in URLs, which allows a remote attacker to by-pass file type validation, upload malicious script and execute arbitrary code without authentication, in order to take control of the system or terminatehttps://patchthecve.com/cve/CVE-2021-44163.htmlhttps://patchthecve.com/cve/CVE-2021-44163.htmlWed, 17 Jun 2026 04:11:58 +0000MEDIUM 6.1: Chain Sea ai chatbot backend has improper filtering of special characters in URL parameters, which allows a remote attacker to perform JavaScript injection for XSS (reflected Cross-site scripting) attack without authentication.https://patchthecve.com/cve/CVE-2021-44162.htmlhttps://patchthecve.com/cve/CVE-2021-44162.htmlWed, 17 Jun 2026 04:11:58 +0000HIGH 7.5: Chain Sea ai chatbot system’s specific file download function has path traversal vulnerability. The function has improper filtering of special characters in URL parameters, which allows a remote attacker to download arbitrary system files without authentication.