The common name for the language used primarily for scripting in web browsers. It is not related to the Java language. Standardized as ECMAScript, its dialects/implementations include JavaScript and JScript.

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Security Testing AngularJS Web Application

An angularjs application stores user input to local/sessionStorage and retrieves it later to fill the form fields or display that content later. If a javascript is submitted as user input, it gets ...
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531 views

Sanitizing JavaScript to prevent XSS

I'm going through a vulnerability remediation exercise for a client and am trying to figure out how to best mitigate this particular hole. There's a script on our site that calls up content into a new ...
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139 views

How does DOCTYPE selection affect security of my AJAX app?

I'm considering using modern techniques to protect my Javascript code and am studying how the DOCTYPE element selection may impact that. Specifically, the linked question used IFrames which are not ...
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2answers
224 views

Is a browser with disabled scripts and disabled java enough against malware

Is a browser like Firefox with disabled scripts (for example via a plugin like no-script) and disabled java enough to be protected against dryve-by-malware from the internet. Of course this does not ...
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878 views

How to escape user input in a value of javascript object?

How to properly escape user-controlled input when it's inserted as a value in JSON object? <script> $(document).ready(function() { new MyObject({ key1: "user_input", key2: ...
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Set Cookie in XHR response : How different browsers handle this?

If I send a XHR request to example.com and response has Set-Cookie: dummyCookie=dummy in response. How different browsers handle this? Does any version of any browser set the cookie for ...
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318 views

UTF-7 XSS attacks in modern browsers

I've recently read about utf-7 XSS-attacks (i.e. Ned Batchelders article at http://nedbatchelder.com/blog/200704/xss_with_utf7.html) but could not get any UTF-7 attack to work in modern browsers. (I ...
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4answers
157 views

How secure is this login page? [closed]

Unfortunately I cant link to the page (it internal). But I can describe it! This is a lightspeed systems policy enforcement login page (content filter). The page is http and there is no iframe with ...
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1answer
153 views

Idea feedback wanted - easy and secure web notes manager (javascript) [closed]

I have an idea for a web app that I'd like to discuss. I like it a lot but chances are that I missed some evident security hole. Or, maybe it just sucks. The idea is a web-based secure text notes ...
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1answer
236 views

can someone break my anti dom based xss from the window location? [closed]

can someone break my anti dom based xss from the window location ? function parseparameters() { var href = window.location.href; var id = href.indexOf('#'); if (id ...
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1answer
218 views

Why don't G+, Facebook and Twitter use text editors to share? Why would someone receive each separately? [closed]

I've seen sites use text editors as below: What is the risk in using these? G+ receives images individually, others receive it all at once. Could someone shed some light on it?
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1answer
199 views

some questions about DOM based XSS [closed]

Is it possible to do a DOM based xss attack with window.location.protocol? How can we use dom based xss with document.title? How can we bypass the escape javascript function if it is used? thank ...
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1answer
121 views

Reflected XSS Prevention plugin [closed]

Is there any plugin out there which prevent reflected XSS? Plugin could be either for firefox or chrome. Thanks.
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1answer
255 views

how to secure my login user id and passwords specially for facebook [closed]

i think they hack me with facebook cookies. i dont get what exactly is going on with me. every time i get the login notification from another ip location.i want to secure my cookies and i wanted to ...
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2answers
79 views

Protecting sensitive content in JS source code and Ajax cals [closed]

I've been trying to see how to properly protect important content that's passed in ajax calls with java script. Considering JavaScript can be viewed at any point, it is inevitable that some of your ...
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1answer
213 views

When logging into a web page what exactly happens when a user types the wrong password?

I have two related questions as to what happens when a user tries to log in to a website If the entered password is wrong what should happen? I have two ideas: Redirect to a page saying "wrong ...
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1answer
274 views

Open Source tool for analysing javascript for security vulnerabilities [closed]

I am completely new to this field and am a college student. I am looking for a static code analysis tool that scans the source code of a web app ( NOT the URL) for security vulnerabilities. So far i ...
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1answer
16 views

How to decrypt javascript code extracted from PDF

I analyzed PDF, and extract javascript code. But javascript code is encrypted. I can't decrypt it. Please advise me. javascript code ...
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1answer
93 views

Injected Images

I want to learn all about that. How can we inject code into an image? Is the code must be php? Or is javascript or HTML works too? How I find documentation about this article? I'm a newbie about ...
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1answer
315 views

Cross-site request forgery attack. How can we stopped this? [closed]

On one of our websites, we are seeing this code is adding itself. I tried to figured out but no success. One thing I have noticed when I removed the html, head and body starting tags, it's gone. Our ...