{"id":"CVE-2017-17091","url":"https://www.cyber-defence.io/tools/cve/CVE-2017-17091","generatedAt":"2026-10-28T21:31:29.672Z","title":"wp-admin/user-new.php in WordPress before 4.9.1 sets the newbloguser key to a string that can be directly derived from the user ID, which allows remote attackers to bypass intended access restrictions by entering this string.","description":"wp-admin/user-new.php in WordPress before 4.9.1 sets the newbloguser key to a string that can be directly derived from the user ID, which allows remote attackers to bypass intended access restrictions by entering this string.","published":"2017-12-02T06:29:00.000Z","lastModified":"2026-06-17T01:10:20.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.0","score":8.8,"severity":"HIGH","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-330"],"affected":["wordpress/wordpress"],"epss":{"score":0.07019,"percentile":0.94142,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (7.02%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/102024","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://codex.wordpress.org/Version_4.9.1","tags":["Patch","Release Notes"],"source":"cve@mitre.org"},{"url":"https://github.com/WordPress/WordPress/commit/eaf1cfdc1fe0bdffabd8d879c591b864d833326c","tags":["Patch"],"source":"cve@mitre.org"},{"url":"https://lists.debian.org/debian-lts-announce/2017/12/msg00019.html","source":"cve@mitre.org"},{"url":"https://wordpress.org/news/2017/11/wordpress-4-9-1-security-and-maintenance-release/","tags":["Release Notes"],"source":"cve@mitre.org"},{"url":"https://wpvulndb.com/vulnerabilities/8969","tags":["Third Party Advisory","VDB Entry"],"source":"cve@mitre.org"},{"url":"https://www.debian.org/security/2018/dsa-4090","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/102024","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://codex.wordpress.org/Version_4.9.1","tags":["Patch","Release Notes"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/WordPress/WordPress/commit/eaf1cfdc1fe0bdffabd8d879c591b864d833326c","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.debian.org/debian-lts-announce/2017/12/msg00019.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://wordpress.org/news/2017/11/wordpress-4-9-1-security-and-maintenance-release/","tags":["Release Notes"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://wpvulndb.com/vulnerabilities/8969","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2018/dsa-4090","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2017-17091","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}