{"id":"CVE-2017-16821","aliases":["EUVD-2017-7996","GHSA-2jpm-mx7w-4vr7"],"status":"published","title":"b3log Symphony (aka Sym) 2.2.0 has XSS in processor/AdminProcessor.java in the admin console, as...","description":"b3log Symphony (aka Sym) 2.2.0 has XSS in processor/AdminProcessor.java in the admin console, as demonstrated by a crafted X-Forwarded-For HTTP header that is mishandled during display of a client IP address in /admin/user/userid.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00479,"percentile":0.41625,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2017-11-15T03:00:00Z","modified":"2026-06-17T01:09:58Z","products":[{"vendor":"b3log","product":"symphony"}],"references":[{"url":"https://github.com/b3log/symphony/issues/503","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-16821"},{"url":"https://github.com/advisories/GHSA-2jpm-mx7w-4vr7"}],"sources":{"cve":[{"id":"CVE-2017-16821","description":"b3log Symphony (aka Sym) 2.2.0 has XSS in processor/AdminProcessor.java in the admin console, as demonstrated by a crafted X-Forwarded-For HTTP header that is mishandled during display of a client IP address in /admin/user/userid.","status":"published","published":"2017-11-15T03:00:00Z","modified":"2024-09-16T17:58:03.863Z","updated_at":"2026-11-02T14:33:21.142987Z"}],"euvd":[{"id":"EUVD-2017-7996","description":"b3log Symphony (aka Sym) 2.2.0 has XSS in processor/AdminProcessor.java in the admin console, as demonstrated by a crafted X-Forwarded-For HTTP header that is mishandled during display of a client IP address in /admin/user/userid.","status":"published","published":"2017-11-15T03:00:00Z","modified":"2024-09-16T17:58:03Z","updated_at":"2026-11-03T00:55:37.247006Z"}],"ghsa":[{"id":"GHSA-2jpm-mx7w-4vr7","title":"b3log Symphony (aka Sym) 2.2.0 has XSS in processor/AdminProcessor.java in the admin console, as...","description":"b3log Symphony (aka Sym) 2.2.0 has XSS in processor/AdminProcessor.java in the admin console, as demonstrated by a crafted X-Forwarded-For HTTP header that is mishandled during display of a client IP address in /admin/user/userid.","status":"published","published":"2022-05-13T01:25:03Z","modified":"2023-02-01T05:07:35Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:50:33.974767Z"}],"nvd":[{"id":"CVE-2017-16821","description":"b3log Symphony (aka Sym) 2.2.0 has XSS in processor/AdminProcessor.java in the admin console, as demonstrated by a crafted X-Forwarded-For HTTP header that is mishandled during display of a client IP address in /admin/user/userid.","status":"published","published":"2017-11-15T03:29:02.03Z","modified":"2026-06-17T01:09:58.63Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:04:08.635428Z"}]}}