Vulnerability: Brute-Force Attack via Inconsistent Error Messages in WordPress Installation

CVE-2011-4898 · MEDIUM Severity

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

wp-admin/setup-config.php in the installation component in WordPress 3.3.1 and earlier generates different error messages for requests lacking a dbname parameter depending on whether the MySQL credentials are valid, which makes it easier for remote attackers to conduct brute-force attacks via a series of requests with different uname and pwd parameters. NOTE: the vendor disputes the significance of this issue; also, it is unclear whether providing intentionally vague error messages during installation would be reasonable from a usability perspective

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