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' C- C5 C* M3 T6 l& I<p>当网站过滤了大部分的HTML标签和属性,我们就尝试爆破一下,看哪些标签和属性没有没过滤。</p>! T8 y% t ~3 r+ @- |* T5 o0 s4 |& S
<h2>爆破的步骤:</h2>
, J0 S& N5 }0 M9 r<p> 1. 首先在测试点输入我们正常的exp,并抓包发送到Intruder模块。</p>2 f6 t: v9 ~* j$ u
<p><img src="https://img2022.cnblogs.com/blog/2742124/202202/2742124-20220211213553022-1529348382.png" ></p>' o ]& Y# I. k% {5 V8 a
<p> 2. 将exp改为 <§§> ,以创建有效载荷位置。</p>+ r+ I- x+ [: f' A% ~0 \* E
<p><img src="https://img2022.cnblogs.com/blog/2742124/202202/2742124-20220211213706671-202348246.png" ></p>
$ `9 U; e1 I. J7 Z1 d) ?9 k<p> 3. 在xss备忘单中点击:Copy tags to clipboard,点击Paste粘贴到Intruder的payload位置。</p>3 y G9 u9 j9 e1 H
<p> https://portswigger.net/web-security/cross-site-scripting/cheat-sheet</p>
. V1 w j7 S a/ ^6 k4 x8 [0 G0 F<p><img src="https://img2022.cnblogs.com/blog/2742124/202202/2742124-20220211213910208-9621953.png" ></p>/ X7 n0 A7 d% y" C$ \ [# o
<p> 4. 进行爆破。发现body标签没有被过滤。</p>$ d) A/ G6 B/ s) W6 P' O( s
<p><img src="https://img2022.cnblogs.com/blog/2742124/202202/2742124-20220211214019819-944940889.png" ></p>
/ X, E' v- H1 F<p> 5. 将有效载荷设置为:<body%20§§=1></p>* u$ b' z1 c C5 y& \
<p><img src="https://img2022.cnblogs.com/blog/2742124/202202/2742124-20220211214230292-1546309510.png" ></p>
- W6 q6 f& r( `( a<p> 6. 在xss备忘单中点击:将事件复制到粘贴板,点击Paste粘贴到Intruder的payload位置。</p># j S1 h1 U* }/ U
<p><img src="https://img2022.cnblogs.com/blog/2742124/202202/2742124-20220211214535613-35221747.png" ></p>
0 F) g2 M# c- d& d<p> 7. 进行攻击。发现onresize属性没有被过滤。</p>+ _5 [ v9 g6 `
<p><img src="https://img2022.cnblogs.com/blog/2742124/202202/2742124-20220211215313601-1834234454.png" ></p>/ J* M! K) G+ e2 t
<p> 8. 构造payload,在测试位置输入,并用F12打开调试窗口时,就会弹窗。</p>
8 G8 y; X( b/ z<p> 因为onresize属性就是窗口或框架被调整大小时触发。</p>* v2 i" e6 C% C) u7 G
<div class="cnblogs_code">) y) ^9 g+ O- {( F ^2 ~1 K
<pre><body onresize=alert(3)></pre>
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6 O! u, X; c0 S" v) r- P<p><img src="https://img2022.cnblogs.com/blog/2742124/202202/2742124-20220211220602121-1842422690.png" ></p>; J- ]( v. T9 Y1 }2 i
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