Collaborate Disseminate
I have found an XSS vulnerability which is triggered on a backend admin system from an output sent from a regular user.
So this XSS is triggered in an iframe belonging to viewer.exemple.com but loaded from admin.exemple.com
The admin page … Continue reading Intercept postMessage token through an XSS
I’m trying to validate / test and XSS attack; however when I navigate to the page, the browser (tried on Chrome and Edge) tells me:
A parser-blocking, cross site (i.e. different eTLD+1) script,
is invoked via document.write. The network
r… Continue reading XSS attack being blocked by the browser
The output is:
<img src="http://example.com/[input]" oncontextmenu="openUrl(‘http://example.com/[input]’)">
Where [input] is the user input, which is sanitised through this function:
a => {
a = String(a);
a… Continue reading Is an XSS attack possible under these constraints?
I am working on a test case with a website demonstration. For now, I’ve discovered reflected XSS on the website for the profile preview, meaning the data is not sent to the server-side. Next, when I look through the source code, I got the … Continue reading XSS exploitation: AJAX isn’t working properly [closed]
I’m looking forward to implement URL sanitizer to prevent stored XSS & planning to use the below function that I have found out. It takes input URL and its returns the URL if its valid. I wonder if there is anyway to beat this sanitize… Continue reading Beat this URL sanitizer function [closed]
I’m learning about XSS and I found I can inject code in this tag a few days ago.
Tag:
<div id="pagenotfound" title=’Cannot find /it/search/testtesttesttetst\’onload=alert(1)’>
My payload:
/testtesttesttetst’onload=alert(1)… Continue reading Does escaping quotes in a HTML attribute context prevent XSS?
Data exposure is a significant, unaddressed problem for Europe’s top mobile providers and, by extension, more than 253 million customers who sign up for their services and share sensitive personal data, according to research by Tala Security. Mobile pr… Continue reading Mobile providers exposing sensitive data to leakage and theft
Most sites having a sign in form have the following html element:
<input type="password" />
If I press F12 to open the debugger on chrome and type:
document.getElementByName("password")[0].value
this will retrie… Continue reading How to protect a <input type=’password’/> from XSS?
Universal Cross Site Scripting bug means all web browsing is potentially at risk. We explain in plain English. Continue reading Apple devices get urgent patch for zero-day exploit – update now!
I would like to know peoples’ thoughts as to whether a WAF is a perfectly acceptable compensating/alternative control to things like CSP, X-XSS-Protection, etc. I know WAF is suppose to protect against XSS and etc, but I been using Mozilla… Continue reading Validity of a WAF as a Compensating/Alternative Control for CSP, X-XSS-Protection, etc