CVE-2009-2335

MEDIUM severity · CVSS 5 · CWE-16

5CVSS MEDIUM

Summary

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."

Impact & exploitability

Attack vectorNetwork

Attack complexityLow

Privileges required—

User interaction—

Confidentiality impact—

Integrity impactNone

Availability impactNone

Exploit probability (EPSS)85%

AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products we track (1)

WordPress

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: http://www.vupen.com/english/advisories/2009/1833 ↗

Additional information

NVD record
http://www.vupen.com/english/advisories/2009/1833Patch
http://securitytracker.com/id?1022528Advisory
http://www.exploit-db.com/exploits/9110Advisory
http://www.osvdb.org/55713
http://www.securityfocus.com/archive/1/504795/100/0/threadedAdvisory
http://www.securityfocus.com/bid/35581Advisory
https://www.redhat.com/archives/fedora-package-announce/2009-August/msg00597.htmlAdvisory
http://corelabs.coresecurity.com/index.php?action=view&type=advisory&name=WordPress_Privileges_UncheckedAdvisory