{"id":"CVE-2023-48387","aliases":["EUVD-2023-52439","GHSA-g7qw-4p9h-v9vx"],"status":"published","title":"TAIWAN-CA(TWCA) JCICSecurityTool - Improper Input Validation","description":"TAIWAN-CA(TWCA) JCICSecurityTool  fails to check the source website and access locations when executing multiple Registry-related functions. In the scenario where a user is using the JCICSecurityTool and has completed identity verification, if the user browses a malicious webpage created by an attacker, the attacker can exploit this vulnerability to read or modify any registry file under HKEY_CURRENT_USER, thereby achieving remote code execution.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0103,"percentile":0.64,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20","CWE-79","CWE-940"],"published":"2023-12-15T08:40:34Z","modified":"2026-06-17T06:34:09Z","products":[{"vendor":"taiwan-ca(twca)","product":"jcicsecuritytool"},{"vendor":"twca","product":"jcicsecuritytool"}],"references":[{"url":"https://www.twcert.org.tw/tw/cp-132-7602-a47a2-1.html","tags":["x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-48387"},{"url":"https://github.com/advisories/GHSA-g7qw-4p9h-v9vx"}],"sources":{"cve":[{"id":"CVE-2023-48387","title":"TAIWAN-CA(TWCA) JCICSecurityTool - Improper Input Validation","description":"TAIWAN-CA(TWCA) JCICSecurityTool  fails to check the source website and access locations when executing multiple Registry-related functions. In the scenario where a user is using the JCICSecurityTool and has completed identity verification, if the user browses a malicious webpage created by an attacker, the attacker can exploit this vulnerability to read or modify any registry file under HKEY_CURRENT_USER, thereby achieving remote code execution.","status":"published","published":"2023-12-15T08:40:34.306Z","modified":"2024-10-14T06:07:26.822Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-940"],"updated_at":"2026-11-02T14:35:25.866071Z"}],"euvd":[{"id":"EUVD-2023-52439","description":"TAIWAN-CA(TWCA) JCICSecurityTool  fails to check the source website and access locations when executing multiple Registry-related functions. In the scenario where a user is using the JCICSecurityTool and has completed identity verification, if the user browses a malicious webpage created by an attacker, the attacker can exploit this vulnerability to read or modify any registry file under HKEY_CURRENT_USER, thereby achieving remote code execution.","status":"published","published":"2023-12-15T08:40:34Z","modified":"2024-10-14T06:07:26Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:27:37.685207Z"}],"ghsa":[{"id":"GHSA-g7qw-4p9h-v9vx","title":"TAIWAN-CA(TWCA) JCICSecurityTool's Registry-related functions have insufficient filtering for...","description":"TAIWAN-CA(TWCA) JCICSecurityTool's Registry-related functions have insufficient filtering for special characters. An unauthenticated remote attacker can inject malicious script into a webpage to perform XSS (Stored Cross-Site Scripting) attack.","status":"published","published":"2023-12-15T09:30:18Z","modified":"2024-10-14T06:31:49Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-20","CWE-79","CWE-940"],"updated_at":"2026-11-02T14:58:29.701719Z"}],"nvd":[{"id":"CVE-2023-48387","description":"TAIWAN-CA(TWCA) JCICSecurityTool  fails to check the source website and access locations when executing multiple Registry-related functions. In the scenario where a user is using the JCICSecurityTool and has completed identity verification, if the user browses a malicious webpage created by an attacker, the attacker can exploit this vulnerability to read or modify any registry file under HKEY_CURRENT_USER, thereby achieving remote code execution.","status":"published","published":"2023-12-15T09:15:08.357Z","modified":"2026-06-17T06:34:09.1Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-940"],"updated_at":"2026-11-02T14:08:54.696438Z"}]}}