
一 |
一键部署OpenClaw
SQL注入这个老问题之所以还能排到OWASP前十,根本原因是太多站长图省事直接拼SQL字符串。用户输入一旦混进查询语句,什么账号密码、订单数据、后台权限都能被拖出来。 NEW ORLEANS -- A “superfog” made of smoke from marsh fires and dense fog was blamed for at least two dozen traffic accidents, including multi-car pileups, on interstate highways Monday in southeast Louisiana.Sections of Interstates 55 and 10 west of New Orleans remained closed as of late morning. The 24-mile-long causeway over Lake Pontchartrain near New Orleans was closed at times.On social media, the National Weather Service said there were several wetland fire in the region. It said smoke from the fires mixed with fog to create a “superfog.” Visibility was expected to improve as the fog lifted. But it was unclear how long the marsh fires, smoke from which could be seen and smelled in the New Orleans area over the weekend, would be a factor.The Times-Picayune/The New Orleans Advocate reported several schools in an near New Orleans announced class cancellations or delayed openings due to the smoke and fog.。
PDO预处理语句把SQL结构和数据彻底分开:SQL模板里用占位符,真实数据通过bindParam绑定。数据库把模板编译一次,之后只接收数据,攻击者的恶意代码永远不会被当成SQL执行。 setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION); // 错误示范:直接拼接 // $sql = "SELECT * FROM users WHERE id = {$_GET['id']}"; // 正确做法:预处理 $stmt = $pdo->prepare("SELECT * FROM users WHERE id = :id"); $stmt->bindParam(':id', $_GET['id'], PDO::PARAM_INT); $stmt->execute(); $user = $stmt->fetch(PDO::FETCH_ASSOC); ?>
很多老站用ACCESS,其实ASP里也能用参数化查询。ADODB.Command加Parameter对象,逻辑和PDO一样。

二 | 核心不是用什么语言,而是永远别把用户输入直接塞进SQL。

三 | 如果全站改成预处理工作量太大,可以先从登录、注册、查询接口这些高风险入口改起,配合Web应用防火墙做兜底。但WAF是辅助,代码层的参数化才是根本。

四 |
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