{"id":"CVE-2016-8581","aliases":["EUVD-2016-9428","GHSA-pf5m-28cv-hpp4"],"status":"published","title":"A persistent XSS vulnerability exists in the User-Agent header of the login process of AlienVault...","description":"A persistent XSS vulnerability exists in the User-Agent header of the login process of AlienVault OSSIM and USM before 5.3.2 that allows an attacker to steal session IDs of logged in users when the current sessions are viewed by an administrator.","severity":{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.17058,"percentile":0.97098,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-79"],"published":"2016-10-28T15:00:00Z","modified":"2026-06-17T00:54:33Z","exploits":[{"source":"exploitdb","id":"EDB-40683","title":"Alienvault OSSIM/USM 5.3.1 - Persistent Cross-Site Scripting","type":"webapps","platform":"php","date":"2016-11-02","verified":true,"url":"https://www.exploit-db.com/exploits/40683"},{"source":"metasploit","id":"exploit/linux/http/alienvault_sqli_exec","title":"AlienVault OSSIM SQL Injection and Remote Code Execution","type":"exploit","platform":"Unix","date":"2014-04-24","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/linux/http/alienvault_sqli_exec"}],"products":[{"vendor":"alienvault","product":"open_source_security_information_and_event_management"},{"vendor":"alienvault","product":"unified_security_management"}],"references":[{"url":"http://www.securityfocus.com/bid/93862","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"https://www.exploit-db.com/exploits/40683/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred"]},{"url":"https://www.alienvault.com/forums/discussion/7766/security-advisory-alienvault-5-3-2-address-70-vulnerabilities","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-8581"},{"url":"https://www.exploit-db.com/exploits/40683"},{"url":"https://github.com/advisories/GHSA-pf5m-28cv-hpp4"}],"sources":{"cve":[{"id":"CVE-2016-8581","description":"A persistent XSS vulnerability exists in the User-Agent header of the login process of AlienVault OSSIM and USM before 5.3.2 that allows an attacker to steal session IDs of logged in users when the current sessions are viewed by an administrator.","status":"published","published":"2016-10-28T15:00:00Z","modified":"2024-08-06T02:27:40.896Z","updated_at":"2026-11-02T14:33:32.724067Z"}],"euvd":[{"id":"EUVD-2016-9428","description":"A persistent XSS vulnerability exists in the User-Agent header of the login process of AlienVault OSSIM and USM before 5.3.2 that allows an attacker to steal session IDs of logged in users when the current sessions are viewed by an administrator.","status":"published","published":"2016-10-28T15:00:00Z","modified":"2024-08-06T02:27:40Z","updated_at":"2026-11-03T02:22:30.087949Z"}],"ghsa":[{"id":"GHSA-pf5m-28cv-hpp4","title":"A persistent XSS vulnerability exists in the User-Agent header of the login process of AlienVault...","description":"A persistent XSS vulnerability exists in the User-Agent header of the login process of AlienVault OSSIM and USM before 5.3.2 that allows an attacker to steal session IDs of logged in users when the current sessions are viewed by an administrator.","status":"published","published":"2022-05-17T01:17:23Z","modified":"2025-04-12T13:07:07Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:01:30.348567Z"}],"nvd":[{"id":"CVE-2016-8581","description":"A persistent XSS vulnerability exists in the User-Agent header of the login process of AlienVault OSSIM and USM before 5.3.2 that allows an attacker to steal session IDs of logged in users when the current sessions are viewed by an administrator.","status":"published","published":"2016-10-28T15:59:05.047Z","modified":"2026-06-17T00:54:33.183Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:03:32.086916Z"}]}}