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WordPress core

CVE-2007-6013

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.

Severity
Critical 9.8
Published
19 Nov 2007
Last changed
16 Jun 2026
Added to UpHeron
17 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
WordPressWordPress core · cpe:a:wordpress:wordpress
  • From 1.5 up to 2.3.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2007-6013
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2007-6013