Stored XSS on Edmodo main domain

-



Hey Guys, Today I would like to show you how I found a Stored XSS on Edmodo main domain.

when I test the website I create two accounts when I signup I added the XSS payload on the name, I opened the victim account on FireFox and attacker account on Google Chrome and I opened the victim profile and send a request to connect together like add friend now when the victim open my profile to accept the request the XSS payload which was in the name will be executed




The POC Video




I hope this topic helped you, thank you for reading.

Comments

Post a Comment

Popular posts from this blog

HITB2018DXB Pre-Conf CTF | Write up

-
Image
In this topic, I will share with your the write-up about the HITB2018DXB Pre-Conf CTF from Cyber Talents I will solve the web security challenges. First challenge [ who am i for 50 points] : at the first when we open the challenge we will found a login form so the first thing I tried to do it's open the source and look on it and I found that so I used this account to enter the panel but I found that I should be an admin to see the flag I think for a few minutes and I try to see the cookies and I found this the value is encoded with base64 so when I decode it I found this value  login=Guest now I changed the Guest to admin and encode it again and I tried to open the page again and I found the flag the flag is:  FLag{B@D_4uTh1Nt1C4Ti0n} ----------- The second challenge [Dark project for 100 points]: when you open the challenge you will find that there is a page when you open one from it there is a new parameter and the page name will be the v
Read more

Write-Up || Quals: Saudi and Oman CTF 2019 Web Challenges

-
Image
Welcome Guys, I will solve the web challenges on the Quals of Saudi and Oman CTF 2019 I will solve it on the video but I will talk about the challenges first. The First Challenge is  Maria it's a Hard one with 200 points, this challenge is a SQL injection challenge the first thing you should found the field which you will inject your payload on it if we try to delete the cookie we will see the SQL query which adds your IP to the database so we will inject the IP to get the information from the DB we need the Maria's IP address so we will dump it and we will see that on the video after that when we add the IP we should add the cookies and we will use the cookies from set-cookie header on the response The Second Challenge is  Back to basics  it's an Easy one with 50 points if we try to open the challenge link we will be redirected to Google so we should open it with another way so I used Burp to catch the request but I didn't find anything interesting on the p
Read more

Steal some JSON response by JSONP injection!!

-
Image
Some websites depend on JSON to send requests and receive responses and this response can include an information about the logged in user and shouldn't be public to anyone now in this topic we will see how we can steal this data. What is JSON? JSON is a language but isn’t programing language but it’s a lightweight data-interchange format and we can use it to communication between different apps such as ( Android, IOS, Web,….). Exploitation Now some of JSON response is like that In this case, if the response like that you are lucky we can dump this data by writing a small code using JS we will include this file in my page as a JS file in a script tag and we will create a function to dump data and the function name should be  userInfo  this is the exploitation you can see the code in the next image and the response in my page here Attacker page This a useful way and the Basic there are more ways but I don’t want to make thi
Read more