引言
随着信息技术的飞速发展，网络安全问题日益凸显。安全漏洞是导致网络安全事件的主要原因之一。本文将深入剖析常见的安全漏洞，通过案例分析，探讨防范之道，以帮助读者提高网络安全意识，保护个人信息和财产安全。
一、常见安全漏洞概述
1.1 SQL注入
SQL注入是一种常见的攻击手段，攻击者通过在输入数据中插入恶意SQL代码，从而操控数据库，窃取或篡改数据。
1.2 跨站脚本攻击（XSS）
跨站脚本攻击是攻击者在网页中注入恶意脚本，当用户浏览网页时，恶意脚本会在其浏览器中执行，从而窃取用户信息或控制用户浏览器。
1.3 漏洞利用
漏洞利用是指攻击者利用软件或系统中的漏洞，对目标进行攻击，以达到非法目的。
二、案例分析
2.1 案例一：SQL注入攻击
案例描述
某电商平台后台使用了一个存在SQL注入漏洞的数据库，攻击者通过构造恶意输入，成功获取了管理员权限，窃取了大量用户数据。
攻击步骤
- 构造恶意输入：`admin’ UNION SELECT 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