Stored-Xss at connect.topcoder.com/projects/ affected on project chat members
High
L
Lab45
Submitted None
Actions:
Reported by
sodium_
Vulnerability Details
Technical details and impact analysis
Hi team ,
I'm sorry for my bad report and english ,
but i wish you understand the impact of that bug here , if it well performed the sers may lose their access to their sso accounts
## Summary:
While a developer at connect.topcoder.com can manage a messages about his/her project with someonelse ,
This conversation was not fully protected from XSS , if some user join in the same chat he'd be affected by that xss and his ==SSO== account possibly will be token over
## Steps To Reproduce:
After you register to topcoder.com go to connect.topcoder.com and sign on with your sso account ,
After that Go to https://connect.topcoder.com/new-project/ and add new project
**NOTE** : The discussion will not be accessible publicult efore the administratirs manages it , So after the adiministrators accept it the bug will be accessible publiculy █████
1. GO TO https://connect.topcoder.com/projects/<your_project_id>/messages
2. Add message with random title and this `<script>alert()</script>` as content , then submit
3. You'll get a fully JS code injected
If an attacker inject a Javascript code that steal cookies/csrf-token... he'll be able to fully access to the victim account
## Supporting Material/References:
Tested on
* Chrome Browser .
* Windows 7_64x
Note : That bug is affect to every machine/browser
## Impact
Xss
Report Details
Additional information and metadata
State
Closed
Substate
Resolved
Submitted
Weakness
Cross-site Scripting (XSS) - Stored