{"id":"CVE-2008-1930","url":"https://www.cyber-defence.io/tools/cve/CVE-2008-1930","generatedAt":"2026-10-27T18:33:13.787Z","title":"The cookie authentication method in WordPress 2.5 relies on a hash of a concatenated string containing USERNAME and EXPIRY_TIME, which allows remote attackers to forge cookies by registering a username that results in the same concatenated string, as…","description":"The cookie authentication method in WordPress 2.5 relies on a hash of a concatenated string containing USERNAME and EXPIRY_TIME, which allows remote attackers to forge cookies by registering a username that results in the same concatenated string, as demonstrated by registering usernames beginning with \"admin\" to obtain administrator privileges, aka a \"cryptographic splicing\" issue.  NOTE: this vulnerability exists because of an incomplete fix for CVE-2007-6013.","published":"2008-04-28T20:05:00.000Z","lastModified":"2026-06-16T22:52:46.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"2.0","score":7.5,"severity":"HIGH","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P"},"cwe":["CWE-287"],"affected":["wordpress/wordpress"],"epss":{"score":0.05042,"percentile":0.92235,"date":"2026-10-26","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 (5.04%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://secunia.com/advisories/29965","source":"cve@mitre.org"},{"url":"http://wordpress.org/development/2008/04/wordpress-251/","tags":["Patch"],"source":"cve@mitre.org"},{"url":"http://www.cl.cam.ac.uk/users/sjm217/advisories/wordpress-cookie-integrity.txt","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/archive/1/491356/100/0/threaded","source":"cve@mitre.org"},{"url":"http://www.securityfocus.com/bid/28935","tags":["Patch"],"source":"cve@mitre.org"},{"url":"http://www.securitytracker.com/id?1019923","source":"cve@mitre.org"},{"url":"http://www.vupen.com/english/advisories/2008/1372/references","source":"cve@mitre.org"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/42027","source":"cve@mitre.org"},{"url":"http://secunia.com/advisories/29965","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://wordpress.org/development/2008/04/wordpress-251/","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.cl.cam.ac.uk/users/sjm217/advisories/wordpress-cookie-integrity.txt","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/archive/1/491356/100/0/threaded","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securityfocus.com/bid/28935","tags":["Patch"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.securitytracker.com/id?1019923","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://www.vupen.com/english/advisories/2008/1372/references","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/42027","source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2008-1930","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."}