HOMEVULNERABILITIESCVE-2007-6013
CRITICAL

CVE-2007-6013

CWE-327Published: November 19, 2007· Updated: Jun 16, 2026

9.8
CVSS v3.1

Official 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.

NVD Source

Technical Analysis

CVE-2007-6013 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

Fedora1 product(s)
fedora
WordPress1 product(s)
wordpress
Source: NVD CPE · 3 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttp://secunia.com/advisories/27714
ADVISORYhttp://secunia.com/advisories/28310
ADVISORYhttp://www.cl.cam.ac.uk/~sjm217/advisories/wordpress-cookie-auth.txt
ADVISORYhttp://www.securityfocus.com/archive/1/483927/100/0/threaded
ADVISORYhttp://www.securitytracker.com/id?1018980
ADVISORYhttp://www.vupen.com/english/advisories/2007/3941
ADVISORYhttps://exchange.xforce.ibmcloud.com/vulnerabilities/38578
ADVISORYhttp://secunia.com/advisories/27714
ADVISORYhttp://secunia.com/advisories/28310
ADVISORYhttp://www.cl.cam.ac.uk/~sjm217/advisories/wordpress-cookie-auth.txt
ADVISORYhttp://www.securityfocus.com/archive/1/483927/100/0/threaded
ADVISORYhttp://www.securitytracker.com/id?1018980
ADVISORYhttp://www.vupen.com/english/advisories/2007/3941
ADVISORYhttps://exchange.xforce.ibmcloud.com/vulnerabilities/38578

All References (26)

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

Quick Facts

CVE IDCVE-2007-6013
CVSS Score9.8 / 10
SeverityCRITICAL
WeaknessCWE-327
CISA KEVNo
Affected2 vendor(s)
PublishedNov 19, 2007

Related CVEs (CWE-327)

CVE-2026-50086
10.0
CVE-2025-54426
9.9
CVE-2026-9261
9.8
CVE-2022-29161
9.8
CVE-2019-13022
9.8
CVE-2019-0187
9.8

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2007-6013 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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