CVE-2009-2335

MEDIO 5.0CVE-2009-2335 · Published 10/07/2009 · updated 16/06/2026

Package	Affected versions	Patched versions
wordpress wordpress	`< 2.8.1`	`2.8.1`
wordpress mu wordpress	`< 2.8.1`	`2.8.1`

Description

WordPress and WordPress MU before 2.8.1 exhibit different behavior for a failed login attempt depending on whether the user account exists, which allows remote attackers to enumerate valid usernames. NOTE: the vendor reportedly disputes the significance of this issue, indicating that the behavior exists for "user convenience."

References

corelabs.coresecurity.com/index.php · Exploit
securitytracker.com/id · Third Party Advisory
exploit-db.com/exploits/9110 · Third Party Advisory
osvdb.org/55713 · Broken Link
securityfocus.com/archive/1/504795/100/0/threaded · Third Party Advisory
securityfocus.com/bid/35581 · Third Party Advisory
vupen.com/english/advisories/2009/1833 · Patch
redhat.com/archives/fedora-package-announce/2009-August/msg00597.html · Third Party Advisory
redhat.com/archives/fedora-package-announce/2009-August/msg00608.html · Third Party Advisory
redhat.com/archives/fedora-package-announce/2009-July/msg00632.html · Third Party Advisory
redhat.com/archives/fedora-package-announce/2009-July/msg00676.html · Third Party Advisory

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