What’s Vulnerable › Vulnerabilities

CVE-2007-6013

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2007-11-19 · updated 2026-06-16
• Weakness: CWE-327

Description

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.

Affected products

• Fedoraproject Fedora: 7, 8
• WordPress: from 1.5 through 2.3.1

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

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