An application that is accessed over a network such as the Internet or an intranet using a browser.

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6
votes
2answers
126 views

XSS via JSON: Why does a web application not sanitize either its incoming params hash or its outgoing JSON values of malicious tags like Script?

Recently working on a Rails-based web application for a company, I had to look into XSS vulnerability. It turns out that the application, in some places, could take an HTML tag (e.g., jscodehere ...
8
votes
4answers
780 views

When paying for something on line, is paying with a checking account less risky than paying with a credit card?

If I purchase something on line and am given the choice to pay with a checking account (also known as a current account) or a credit card, is the risk of my checking account data being stolen and used ...
1
vote
1answer
53 views

Secure communication between two REST apis

I'm building an application which stands alone for the most part, but which needs to access another system for private user data. What is a simple and safe method of securing that private data? We ...
3
votes
3answers
125 views

Is it safe for web application to receive and parse emails?

I am not sure, if this question needs to be narrowed down to web applications only, but that is my particular interest. Suppose a web application receives (retrieves from mailbox) emails, parses the ...
3
votes
2answers
103 views

Can the contents of a web page be protected from modification

We are developing an application sending highly sensitive data over the Internet. For this we use client side encryption so that even if an attacker would get access to our servers, the data could ...
4
votes
2answers
133 views

Passwordless website authentication scheme

I have a userbase which really isn't all that inclined to create a secure password for a website. They're also almost entirely on mobile devices, so I would like to try something a little different ...
7
votes
0answers
69 views

Using certificates to secure

I'm working on an application that comprises of a C# WebAPI (on Azure Websites) and a native mobile app. Essentially, a client creates a series of messages using a Web interface and these can be ...
4
votes
1answer
34 views

CSRF issues in “stateless” web app?

So I have developed a web application, which also has an API. API supports both GET and POST requests. The API is completely stateless, means nothing is stored or modified in a database/file when ...
3
votes
1answer
47 views

security of Cloudflare SSL certificate with other domains

I have a free Cloudflare account where I manage my domain (ie: mydomain.com) and I use the free SSL certificate (mode Full SSL) in order to get SSL on a subdomain (blog.mydomain.com hosted with Github ...
6
votes
1answer
53 views

Subresource Integrity versus signing

The draft spec for subresource integrity is straightforward: This document specifies such a validation scheme, extending two HTML elements with an integrity attribute that contains a ...
0
votes
2answers
115 views

What exactly is endpoint security?

Would someone explain what endpoint security is, exactly? What do companies like McAfee and Symantec sell with their endpoint security suites? I also would like to learn if endpoint security ...
0
votes
1answer
160 views

AngularJS - Can a response from an $http.post to PHP be modified?

I have an angularJS $http.post that sends username/password to a PHP file that then queries my database to verify a successful log in. I then return a JSON object back to angularJS in one of the ...
2
votes
2answers
54 views

How protect mobile website against encapsulating into rogue native mobile app?

We are developping a mobile application (m.website.com). Is there a way to prevent a rogue developper to build an IOS / Android native app that simply encapsulate our website into the app using ...
0
votes
1answer
149 views

Can someone tell me whether this is Cross-site scripting attack or normal log entry?

Can someone shed light on this logs . ****GET /list25/ADMN/Eligibility/EligibilityResponse.aspx ...
-3
votes
1answer
43 views

What are some good resources to learn Remote Code execution [closed]

I want to learn remote code execution from scratch. Is there any sort of book where I can learn from, or there is a preunderstanding required to learn remote code execution? I am desperate to learn ...
-1
votes
1answer
251 views

Header.php keeps changing with JavaScript code in WordPress [duplicate]

I observed that my post on the blog takes too much time to load and I started to try finding out the issues behind it. I found there's a JavaScript code injected in header.php here: <?php ...
0
votes
0answers
22 views

Different chanels for BeEF UI and Communication Server

I am working with BeEF tool and I want to access the UI interface using https (I don't want to communicate via VPN to access the control panel), while at the same time, I need to serve the http hooks ...
6
votes
3answers
247 views

How to convince team mate about using a whitelist?

Context In our development team, we have to build a component. This component is a full client side one written in Javascript. A client web application wishing to embed this component will call it ...
8
votes
4answers
1k views

Can I replace username and password with a long random text in URL? [duplicate]

Scenario One customer is facing a problem with his users: they use a (web) service a few times per year and they forget their credentials very often. There is a standard password recovery procedure ...
4
votes
1answer
41 views

Does using creating a seprate firefox profile cause a seprate security context to protect against XSS and DNS Re-binding?

I read here that I should use separate security profiles for different sorts of things; accessing sensitive information, doing system administration vs. opening links from emails. I know that ...
-1
votes
1answer
107 views

hard time in bug bounty hunting [closed]

I have practiced oswap documentation and their vulnerability lab. I also read some books like the web app penetration hackers handbook. But I have no success in bug bounty hunting. I have read an ...
1
vote
1answer
78 views

Is use of HttpServletRequest.getQueryString() for a response header vulnerable to response splitting?

I've been told that using HttpServletRequest.getQueryString() in a response header makes my application susceptible to HTTP response splitting attacks, but I just don't see how. It's clear in the ...
4
votes
2answers
174 views

How long should a session absolute timeout be?

OWASP Session Management Cheat Sheet (https://www.owasp.org/index.php/Session_Management_Cheat_Sheet) recommends to implement an absolute session timeout (in addition to idle session timeout). It ...
0
votes
1answer
146 views

Is this code vulnerable to any attack? [closed]

I found the following code on this page. Is this indicative of a security problem. ;}else{str=" Following ";} document.getElementById("follow_"+count).innerHTML=str;} function ...
3
votes
1answer
43 views

SSL between websites on the same server

I have deployment that includes a public asp.net website and an internal webAPI both installed on the same machine. The webAPI will only communicate with the website. For example, it will not be ...
1
vote
2answers
115 views

What's the most secure way to save Connection String in Windows Forms application?

I just got myself in a new company where they develop Windows Forms applications using .NET technologies and VB.NET, Of course. They use SQL Server databases. The BIG issue is that they store the ...
2
votes
2answers
215 views

Why does OWASP recommend “Disable Web Browser Cross-Tab Sessions”

I have been looking through the OWASP session management cheat sheet and I don't understand the reasoning behind the suggestion to "Disable Web Browser Cross-Tab Sessions". How does using the same ...
1
vote
2answers
53 views

Public Key Infrastructure: Sending data securely to CLIENT?

Ok, so been looking up public key encryption and using it a bit around some of my web applications. From some testing, I understand that the server contains two keys and sends the public key to the ...
0
votes
1answer
51 views

Practical benefit of using SqlCredential vs username/password in connection string

Currently I'm using SQL Server Authentication with the username/password as part of the connection string for my web application. As far as I know this standard procedure within the .NET world and ...
3
votes
2answers
190 views

What are the risks of using TLS 1.0 for web applications?

I work with a company that has several web applications available to its customers via HTTPS. Recently, client browsers will not access these web applications due to the HTTPS connection being made ...
0
votes
0answers
44 views

Using DVWA at Medium Security, how can I OutFile records?

Whilst carrying out SQL Injection attacks against the educational tool DVWA on security level Low, I could carry out a command like the below and both retrieve records and write them to a file. ' ...
3
votes
5answers
2k views

When is it safe to use a web based FTP client?

Is it safe to use a web based FTP client? If so, when? What should I watch out for?
-1
votes
1answer
64 views

How do a basic tests for webapp - online tool made with PHP (forms, shell access, session) [closed]

I created a webapp in PHP (MySQL, jQuery) and now I want to take necessary security measures in order to keep it up and running and harmless for my VPS. App has several public forms ($_POST, $_GET, ...
1
vote
1answer
64 views

Is it secure to make a publicly available Web App that has URL's generated from a hash?

If you know of a better title, please feel free to edit the title. I'm making a simple google Web App so colleagues at my workplace can view details about a QA that they received. The issue is only ...
0
votes
1answer
436 views

On the ability to reverse engineer the Instagram Private API

I came across these blog posts where a man was able to extract the Instagram private signature key from the Android app: http://mokhdzanifaeq.github.io/extracting-instagram-signature-key/ Which could ...
-1
votes
1answer
132 views

ISP has informed us that our server is launching brute force attacks on WordPress sites, how do we end this? [duplicate]

Misc Situation: -Server login is obtained by hacker, hacker places malicious brute force file in /hacked/bruteforce/ -Server password is then changed, hacker can still run script by navigating to ...
-6
votes
2answers
169 views

What does “;” mean in the link [closed]

In some links, I found ;. Example: https://example.com/index.php?action=pm;sa=send;u=1 What does that mean? Is it a web application firewall?
2
votes
1answer
63 views

Is using Gravatar in a web application with “private” URLs a security issue?

In our application, there is a kind of a "share" feature that sends an email to a user-provided address. This email contains a link with a secret access token (as part of the URL) that is valid for a ...
0
votes
2answers
90 views

How can I demonstrate the reflected XSS via post methods

I was trying to make a PoC of XSS: Attack sample: I have injected script into the value: <html> <body> <form action="https://test.com/api/users.prefs.set?t=1447648400" ...
4
votes
0answers
20 views

How to securely send your user and hashed password to a server? [duplicate]

I'm making a user system for an app I'm developing, and I have a client side (the mobile app itself) and a server side (where the database remains) for it. The app sends get and post petitions to the ...
0
votes
1answer
62 views

Does creation of dump data would be considered as vulnerablity?

Problem behind the question : We were a small firm developing a small web application which was similar to fb,gmail,etc [in terms of functionality]. We have a signup form and I was assigned to test ...
2
votes
3answers
76 views

Don't trust the client?

I am a web developer, and have been trying to learn a bit about security, and the thing that seems to be the biggest principal is just to trust the client with as little as possible. Is this a correct ...
6
votes
1answer
108 views

How does X-XSS-Protection: “0” affect the security of my website?

How does disabling XSS protection affect my website? What security vulnerabilities does it open? My site requires the header to be used on certain pages, so what can I do to secure the pages with the ...
3
votes
1answer
271 views

Google crawling and SQL injection

recently my logs shows attack signatures from ...
2
votes
1answer
49 views

How much of a Django application could be reverse-engineered if the owner forgot to turn debug mode off?

I've been writing a Django app and almost published it with debug mode on. Django's documentation indicates Never deploy a site into production with DEBUG turned on. Did you catch that? ...
2
votes
1answer
65 views

Is this code vulnerable to DOM based attacks?

We are developing code for a Banking web application. We want to make sure that the code is secure and since we are using a lot of javascript code, we are kind of worried if any chance of a web based ...
5
votes
3answers
254 views

Did I miss any vulns here?

I recently took a beating in a Security Engineer interview and I did not get any specific feedback on how I did. I'd like to re-ask the question to the community so I can polish up on these elements. ...
1
vote
3answers
123 views

Is it necessary to update JRE in an Apache Tomcat Server?

We have a Java web application contained in an apache tomcat instance. JRE version is 7.0.51 and Tomcat version is 7.0.42. Users have expressed their concerns about Java 7's support/updates being ...
0
votes
0answers
36 views

Is it appropriate to request a bounty for finding exploit on major site? [duplicate]

Long story short, I found an easily reproducible, very easy, and honestly embarrassing exploit on a major (yes, major) financial institution's online banking site today. It's not directly tied to ...
1
vote
1answer
63 views

SSL certs signed by different CA

Have a question on SSL certs signed by different CA. in the past, my web server cert is signed with CA1 and it was also imported into the web app firewall for SSL traffic monitoring. Now, I have ...