CVE DATABASE / CVE-2007-6013
CVE-2007-6013
CVSS 9.8 · CRITICAL
Summary
Wordpress 1.5 through 2.3.1 uses cookie values based on the MD5 hash of a password MD5 hash, which allows attackers to bypass authentication by obtaining the MD5 hash from the user database, then generating the authentication cookie from that hash.
CVSS 3.1 breakdown
| Base score | 9.8 (CRITICAL) |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| Attack vector | NETWORK |
| Attack complexity | LOW |
| Privileges required | NONE |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity | HIGH |
| Availability | HIGH |
Weakness type (CWE)
Affected products
Wordpress wordpressFedoraproject fedora
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References
- http://lists.grok.org.uk/pipermail/full-disclosure/2007-November/058576.html
- http://osvdb.org/40801
- http://secunia.com/advisories/27714
- http://secunia.com/advisories/28310
- http://securityreason.com/securityalert/3375
- http://trac.wordpress.org/ticket/5367
- http://www.cl.cam.ac.uk/~sjm217/advisories/wordpress-cookie-auth.txt
- http://www.securityfocus.com/archive/1/483927/100/0/threaded
- http://www.securitytracker.com/id?1018980
- http://www.vupen.com/english/advisories/2007/3941
- https://exchange.xforce.ibmcloud.com/vulnerabilities/38578
- https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00079.html
- https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00098.html
Data: NIST NVD. NVD last modified 2026-04-23. Always verify against the vendor advisory before acting.