Is CVE-2007-6013 being actively exploited?

CVE-2007-6013 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2007-6013?

CVE-2007-6013 has a CVSS 3.1 base score of 9.8 (CRITICAL).

CVE-2007-6013

CRITICAL · CVSS 9.8EPSS 3.3%EU EUVD

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.

Key facts

CVSS score: 9.8 (v3.1)
Severity: CRITICAL
CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): CWE-327
EPSS score: 3.3% (88th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2007-5983)
Published: November 19, 2007
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2007-5983 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

fedoraproject / fedora
fedoraproject / fedora
wordpress / wordpress

References

http://lists.grok.org.uk/pipermail/full-disclosure/2007-November/058576.html(Broken Link)
http://osvdb.org/40801(Broken Link)
http://secunia.com/advisories/27714(Broken Link, Vendor Advisory)
http://secunia.com/advisories/28310(Broken Link, Vendor Advisory)
http://securityreason.com/securityalert/3375(Broken Link)
http://trac.wordpress.org/ticket/5367(Exploit, Issue Tracking)
http://www.cl.cam.ac.uk/~sjm217/advisories/wordpress-cookie-auth.txt(Third Party Advisory)
http://www.securityfocus.com/archive/1/483927/100/0/threaded(Broken Link, Third Party Advisory, VDB Entry)
http://www.securitytracker.com/id?1018980(Broken Link, Third Party Advisory, VDB Entry)
http://www.vupen.com/english/advisories/2007/3941(Broken Link, Vendor Advisory)
https://exchange.xforce.ibmcloud.com/vulnerabilities/38578(Third Party Advisory, VDB Entry)
https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00079.html(Mailing List)
https://www.redhat.com/archives/fedora-package-announce/2008-January/msg00098.html(Mailing List)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

Query CVEs from your AI assistant

The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.

Add the CVE brain