{"id":"CVE-2017-5493","details":"wp-includes/ms-functions.php in the Multisite WordPress API in WordPress before 4.7.1 does not properly choose random numbers for keys, which makes it easier for remote attackers to bypass intended access restrictions via a crafted (1) site signup or (2) user signup.","modified":"2026-07-08T12:40:49.785953Z","published":"2017-01-15T02:59:03.077Z","references":[{"type":"WEB","url":"http://www.securityfocus.com/bid/95401"},{"type":"WEB","url":"http://www.securitytracker.com/id/1037591"},{"type":"WEB","url":"https://wpvulndb.com/vulnerabilities/8721"},{"type":"ADVISORY","url":"http://www.debian.org/security/2017/dsa-3779"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2017/01/14/6"},{"type":"ADVISORY","url":"https://codex.wordpress.org/Version_4.7.1"},{"type":"ADVISORY","url":"https://wordpress.org/news/2017/01/wordpress-4-7-1-security-and-maintenance-release/"},{"type":"FIX","url":"https://github.com/WordPress/WordPress/commit/cea9e2dc62abf777e06b12ec4ad9d1aaa49b29f4"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/wordpress/wordpress","events":[{"introduced":"0"},{"last_affected":"14247ee4302378d292863865c643abe99bbfe3c7"},{"fixed":"cea9e2dc62abf777e06b12ec4ad9d1aaa49b29f4"}],"database_specific":{"extracted_events":[{"introduced":"0"},{"last_affected":"4.7"}],"source":["CPE_RANGE","REFERENCES"],"cpe":"cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*"}}],"versions":["4.7"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-5493.json"}},{"ranges":[{"type":"GIT","repo":"https://github.com/wordpress/wordpress-develop","events":[{"introduced":"0"},{"last_affected":"efa83f48bd4ebd066e5efc94b9feefe50e7925a2"}],"database_specific":{"cpe":"cpe:2.3:a:wordpress:wordpress:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"0"},{"last_affected":"4.7"}],"source":"CPE_RANGE"}}],"versions":["4.7.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-5493.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"}]}