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<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>
' C6 `/ g+ G; M" Q$ v# R<h2>爆破的步骤:</h2>. b, y: X# E/ j- J% `# X$ J
<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>
( L0 T( q6 q7 S+ Y' R3 e: O<p><img src="https://img2022.cnblogs.com/blog/2742124/202202/2742124-20220211213553022-1529348382.png" ></p>7 f5 {- y4 O& G" l& A; t
<p> 2. 将exp改为 <§§> ,以创建有效载荷位置。</p>4 h, C5 M8 g1 M# F) O! d* b& z
<p><img src="https://img2022.cnblogs.com/blog/2742124/202202/2742124-20220211213706671-202348246.png" ></p>
. I2 X% | |( |. f4 F/ 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>6 m( T0 Y w& Q
<p> https://portswigger.net/web-security/cross-site-scripting/cheat-sheet</p>
' U% C* P: |6 {) ?2 _" v! T<p><img src="https://img2022.cnblogs.com/blog/2742124/202202/2742124-20220211213910208-9621953.png" ></p>5 q0 _" ~" V$ m$ C( m# n0 `" C! i
<p> 4. 进行爆破。发现body标签没有被过滤。</p>1 o H( s, h& s2 V9 S4 v0 K
<p><img src="https://img2022.cnblogs.com/blog/2742124/202202/2742124-20220211214019819-944940889.png" ></p>
6 N) w! k+ g0 }- R1 {<p> 5. 将有效载荷设置为:<body%20§§=1></p>
9 V) ?1 E. J( ~4 o; L1 Z<p><img src="https://img2022.cnblogs.com/blog/2742124/202202/2742124-20220211214230292-1546309510.png" ></p>. O5 F/ D0 e7 {' t% Z$ N! 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>" W6 ^ Y- S% |* v( Q2 D
<p><img src="https://img2022.cnblogs.com/blog/2742124/202202/2742124-20220211214535613-35221747.png" ></p>
@8 L, `$ r3 o( S% F8 X* R& ?<p> 7. 进行攻击。发现onresize属性没有被过滤。</p> z: g# }7 i6 e- U* {5 r) j
<p><img src="https://img2022.cnblogs.com/blog/2742124/202202/2742124-20220211215313601-1834234454.png" ></p>
$ G2 n R( X F/ Z& M( C5 {<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>
+ h# i5 D% V4 U6 B; {3 D<p> 因为onresize属性就是窗口或框架被调整大小时触发。</p>2 w9 b5 V1 U( S/ b3 z- m* |, a
<div class="cnblogs_code">" R" C" _6 G( w
<pre><body onresize=alert(3)></pre>
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<p><img src="https://img2022.cnblogs.com/blog/2742124/202202/2742124-20220211220602121-1842422690.png" ></p>6 i0 k, Q$ [ M2 F) d
<p> </p>
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