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' K* q, O1 P- W1 B3 w1 {<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>4 `; Y. N1 [# K$ h( S g
<h2>爆破的步骤:</h2>
( C1 S/ F+ B1 @4 \2 N; _5 ?<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>, Z0 p; \" M9 K+ q7 ?) D6 s0 x# N
<p><img src="https://img2022.cnblogs.com/blog/2742124/202202/2742124-20220211213553022-1529348382.png" ></p>
3 Y0 j) V# t: L3 e8 c# |<p> 2. 将exp改为 <§§> ,以创建有效载荷位置。</p>! c) D. b4 e8 u# ]8 U
<p><img src="https://img2022.cnblogs.com/blog/2742124/202202/2742124-20220211213706671-202348246.png" ></p>
' n+ ]) f3 s% p& m2 w5 x* [<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>7 P9 Y: `) K, f, k4 F
<p> https://portswigger.net/web-security/cross-site-scripting/cheat-sheet</p>
+ j7 ^4 {1 u. g. C- N2 @1 \; E<p><img src="https://img2022.cnblogs.com/blog/2742124/202202/2742124-20220211213910208-9621953.png" ></p>
1 g) g0 A5 x! m V" h<p> 4. 进行爆破。发现body标签没有被过滤。</p>% R& g6 L1 ]4 p6 ^
<p><img src="https://img2022.cnblogs.com/blog/2742124/202202/2742124-20220211214019819-944940889.png" ></p>
. e& {; M) n9 D5 x<p> 5. 将有效载荷设置为:<body%20§§=1></p>7 @( v- }% W1 y: @+ t
<p><img src="https://img2022.cnblogs.com/blog/2742124/202202/2742124-20220211214230292-1546309510.png" ></p>* e2 s( c- T2 S% r' P& u
<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>
3 I5 y7 b7 I, }. F% Y& P<p><img src="https://img2022.cnblogs.com/blog/2742124/202202/2742124-20220211214535613-35221747.png" ></p>
% E: G0 C$ L/ x! k2 z( z% B<p> 7. 进行攻击。发现onresize属性没有被过滤。</p>2 \* X* A9 D; L9 E5 s, H, E
<p><img src="https://img2022.cnblogs.com/blog/2742124/202202/2742124-20220211215313601-1834234454.png" ></p>- K! q: f0 a9 r u
<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>! y- j) U/ M; t& @
<p> 因为onresize属性就是窗口或框架被调整大小时触发。</p>0 k$ Y5 u* F4 P! ?0 Y
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6 K; x/ [/ N* R0 \. z0 _2 n; u<pre><body onresize=alert(3)></pre>
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