Unscored severity · published Jul 10, 2009
CVE-2009-2335
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…
–
CVSS
85%
EPSS
No
On KEV
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."
Exploitation
Is it being used?
Exploit prediction (EPSS)85.0% · higher than 100% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WO
WordPress · WordPress
before 2.8.1 · source: NVD
WM
Wordpress MU · Wordpress
before 2.8.1 · source: NVD
Affected product
WO
WordPress
WordPress
More from WordPress
9.8
CVE-2026-63030
WordPress < 7.0.2 - REST API batch-route confusion and SQL injection issue leading to Remote Code Execution
9.8
CVE-2020-25213
WordPress File Manager Plugin Remote Code Execution Vulnerability
9.8
CVE-2016-10033
The mailSend function in the isMail transport in PHPMailer before 5.2.18 might allow remote attackers to pass extra parameters to the mail command and consequently execute…
8.1
CVE-2026-87902
WordPress Core Remote File Inclusion Vulnerability
7.5
CVE-2020-11738
WordPress Snap Creek Duplicator Plugin File Download Vulnerability