{"cve":"CVE-2008-1930","nvd":{"published":"2008-04-28T20:05:00.000","modified":"2026-06-16T22:52:46.423","status":"Modified","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.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-287"],"references":["http://secunia.com/advisories/29965","http://wordpress.org/development/2008/04/wordpress-251/","http://www.cl.cam.ac.uk/users/sjm217/advisories/wordpress-cookie-integrity.txt","http://www.securityfocus.com/archive/1/491356/100/0/threaded","http://www.securityfocus.com/bid/28935"],"products":["wordpress:wordpress"],"source":"nvd","synced_at":"2026-10-19T19:51:11.071189229+00:00"},"epss":{"cve":"CVE-2008-1930","score":0.05042,"percentile":0.92293,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}