{"id":"CVE-2016-5661","aliases":["EUVD-2016-6605","GHSA-q2hc-xfq6-qp7r"],"status":"published","title":"Accela Civic Platform Citizen Access portal relies on the client to restrict file types for...","description":"Accela Civic Platform Citizen Access portal relies on the client to restrict file types for uploads, which allows remote authenticated users to execute arbitrary code via modified _EventArgument and filename parameters.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.02557,"percentile":0.8517,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284"],"published":"2016-07-15T18:00:00Z","modified":"2026-06-17T00:49:49Z","products":[{"vendor":"accela","product":"civic_platform_citizen_access_portal"}],"references":[{"url":"http://www.kb.cert.org/vuls/id/665280","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"http://www.securityfocus.com/bid/91765","tags":["vdb-entry","x_refsource_BID","x_transferred"]},{"url":"http://www.kb.cert.org/vuls/id/JLAD-ABMPVA","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-5661"},{"url":"https://github.com/advisories/GHSA-q2hc-xfq6-qp7r"}],"sources":{"cve":[{"id":"CVE-2016-5661","description":"Accela Civic Platform Citizen Access portal relies on the client to restrict file types for uploads, which allows remote authenticated users to execute arbitrary code via modified _EventArgument and filename parameters.","status":"published","published":"2016-07-15T18:00:00Z","modified":"2024-08-06T01:07:59.955Z","updated_at":"2026-11-02T14:33:30.767029Z"}],"euvd":[{"id":"EUVD-2016-6605","description":"Accela Civic Platform Citizen Access portal relies on the client to restrict file types for uploads, which allows remote authenticated users to execute arbitrary code via modified _EventArgument and filename parameters.","status":"published","published":"2016-07-15T18:00:00Z","modified":"2024-08-06T01:07:59Z","updated_at":"2026-11-03T02:22:42.442421Z"}],"ghsa":[{"id":"GHSA-q2hc-xfq6-qp7r","title":"Accela Civic Platform Citizen Access portal relies on the client to restrict file types for...","description":"Accela Civic Platform Citizen Access portal relies on the client to restrict file types for uploads, which allows remote authenticated users to execute arbitrary code via modified _EventArgument and filename parameters.","status":"published","published":"2022-05-17T03:40:31Z","modified":"2023-01-27T05:08:54Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:43:20.56941Z"}],"nvd":[{"id":"CVE-2016-5661","description":"Accela Civic Platform Citizen Access portal relies on the client to restrict file types for uploads, which allows remote authenticated users to execute arbitrary code via modified _EventArgument and filename parameters.","status":"published","published":"2016-07-15T18:59:10.03Z","modified":"2026-06-17T00:49:49.913Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:03:27.736698Z"}]}}