Collaborate Disseminate
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
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 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?
How is it possible to block reflected XSS on common web servers, such as IIS, Apache HTTP Server and Nginx?
The Content-Security-Policy: reflected-xss filter doesn’t work on latest Chrome and X-XSS-Protection was removed from latest Chrome… Continue reading Blocking reflected XSS on common web servers
I´m pentesting a clients website and found a self XSS Vulnerability in the Login Page: in case of a login error the Error Page shows the Username, so if you input <script>alert("XSS")</script> as User, it shows the al… Continue reading Further exploit self XSS
I came across a very interesting case:
The user uploads a file
The file contains <script>alert(2)</script>
The web app shows the file’s content to the user -> the XSS payload is executed
The file is not stored in any way, s… Continue reading Is an XSS via Cross-Site File Upload (CSFU) practically exploitable?
Portswigger reflected XSS lab with custom tags
link for lab
(https://portswigger.net/web-security/cross-site-scripting/contexts/lab-html-context-with-all-standard-tags-blocked)
Purpose of lab:
lab description:
Lab is about reflected XSS w… Continue reading where is the custom tag and why using id in the solution? [closed]
This is where I took this example from:
<a href="<?php echo $_GET[‘e’];?>">Back</a>
In this code, I can do http://my_url?e=javascript:alert()
But what can I do if my code is like this:
<a href="e<?php… Continue reading can i execute javascript in href when i have text before my input?
I’ve seen the typical reflected XSS payloads which contain html tags, or where inputs are reflected inside javascript. But I’ve also stumbled across a certain payload which makes no sense to me.
An example of the payload in question:
hxtp… Continue reading how does this type of reflected xss payload work
I suspect I have a potential XSS vulnerability at a client-side level, however, I’m not able to exploit it successfully.
The URL I’m using consists of three parameters that reflect back to the user and it is as follows:
https://host/email_… Continue reading XSS with Template Literals