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LimitLoginAttempts.php in the limit-login-attempts-reloaded plugin before 2.17.4 for WordPress allows a bypass of (per IP address) rate limits because the X-Forwarded-For header can be forged. When the plugin is configured to accept an arbitrary header for the client source IP address, a malicious user is not limited to perform a brute force attack, because the client IP header accepts any arbitrary string. When randomizing the header input, the login count does not ever reach the maximum allowed retries.

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WordPress limit-login-attempts-reloaded 安全漏洞

WordPress是WordPress（Wordpress）基金会的一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。 WordPress limit-login-attempts-reloaded plugin 2.17.4 之前版本存在安全漏洞，该漏洞允许绕过(每个IP地址)速率限制，因为x-forwarding for头可以被伪造。当插件被配置为接受客户端源IP地址的任意报头时，恶意用户不受暴力攻击的限制，因为客户端IP报头接受任意字符串。当随机化头部输入时

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