Questions tagged [url]
The url tag has no usage guidance.
227
questions
2
votes
2
answers
371
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Steps after accidentally opening malicious URL with Android device
So I opened a malicious URL with my Android phone. It took some 20 seconds to dawn on me after which I put it on airplane mode. I didn't enter any info in the meanwhile.
I tried to see if I can assess ...
- 23
0
votes
0
answers
28
views
Are unlisted links to sensitive data acceptable? [duplicate]
A third-party vendor that hosts our data is sending us links to an s3 amazon server to download reports of our data as a CSV. The endpoint does not check any permissions of the person trying to ...
0
votes
1
answer
83
views
URL redirects properly to all URL protocols except https://www
I have a domain that properly redirects as expected to protocol https://newhavendisplay.com, except for https://www.newhavendisplay.com, which triggers the "This connection is not private" ...
- 3
1
vote
2
answers
186
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DNS hijacking/poisoning effect on URL/URI and password manager autotype/autofill
A benefit to password managers, at least some of them, is that they can look at the URL and only use autotype/autofill when on the correct site, which can help prevent pharming since if instead of ...
- 13
1
vote
1
answer
216
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Azure Shared Access Signature (SAS) token security
I'm learning Azure Storage and I am doing my best to make sure access from Internet is as safe as possible.
When I generate a connection string there is a SAS token embedded in the URL.
That token has ...
- 173
0
votes
0
answers
84
views
Auto-login to account with PII using a random URL
I have a booking system where passengers need to add information that is quite sensitive (passport details etc). When they book, I generate a (difficult to crack) reference number, which they use to ...
- 101
0
votes
1
answer
46
views
Clicking on links [duplicate]
We are often warned about clicking on links in emails from unknown senders. That got me to wondering about other situations. For instance, you are searching the web looking to purchase an item and ...
- 497
0
votes
1
answer
106
views
Sharing a text file via Amazon S3 link with random words numbers [duplicate]
I would like to share a csv file to two or more separate computers/users. They would be running our software program which reads this text file. This is just initial idea for feedback please.
To make ...
- 101
-1
votes
1
answer
2k
views
can my ISP know which urls i'm visiting? If so then how to prevent it? [duplicate]
i'm using latest version of microsoft edge browser on windows 10 PC and i'm in India. I use cloudeflare DNS. i Checked my browser security on https://www.cloudflare.com/ssl/encrypted-sni/ and got this ...
- 35
-1
votes
1
answer
73
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Where could I find a list of keys not to use for DES encrypting
We have a process that encrypts a URL, it uses DES encryption. I suspect someone may have figured out the key and is decrypting it to crawl information. This was set up many years ago, I just want to ...
- 109
0
votes
2
answers
383
views
Parameter vulnerable for HTML injection but cannot exploit because of URL encoding
I found a HTML injection vulnerability but there is an issue.
The following request returns the following:
curl "https://redacted.com/xss/para?meter="><h1>Test\</h1>"<...
- 11
32
votes
5
answers
6k
views
Is there any security benefit from emailing a "secure link"?
Sometimes I receive email messages from organisations I'm involved with saying something like:
Alice at AnyCo has sent you a secure message
Along with a link to access said message. Sometimes I'm ...
- 2,027
0
votes
2
answers
120
views
What are the vulnerabilities of exposing url end point param?
I have a wordpress plugin that helps create an organization chart/tree and then generates a URL where the chart is available to be viewed by the public?
Inside the plugin's view in WordPress dashboard....
- 103
1
vote
1
answer
369
views
What is a safe way to display malicious URLs in research PDFs?
Is there a convention or safeguard to show malicious URLs in a paper if they are relevant to the topic?
Some PDF viewers parse the text for URLs, which makes removing the hyperlink alone insufficient. ...
- 13
0
votes
1
answer
181
views
Is this safe from XSS?
I need to allow a user to pass unsafe text into an iframe URL:
<iframe src="https://example.com?foo=INPUT"></iframe>
Inside the iFrame render code, I have this:
<!doctype ...
- 105
0
votes
1
answer
45
views
Multiple random requests for Non-Existent URLs from a single IP resulting in 404s
We sometimes get to see this behavior from a single IP address/logged in user -
There are a lot of hits on our server that have .png at the end of the URL which results in a 404 because we don't have ...
- 1
0
votes
1
answer
837
views
Making a phishing link look innocent
Situation
I am learning about phishing attacks using OSINT, social engineering and some Kali tools to send a mail to a dedicated target, which contains an 'appealing' message and an ngrok link leading ...
- 103
-1
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1
answer
132
views
Automated malicious links delivered with e-mail (Reddit, LinkedIn, Package) [closed]
Recently my organisation has been flooded with phishing e-mails with different approaches: pretending to be Reddit or LinkedIn information about a new follower or package delivery status/problems, etc....
- 383
1
vote
1
answer
151
views
Suspicious hyperlinks (all hex URLs) in e-mail
I'm communicating with a job headhunter over LinkedIn and he sent me an e-mail containing information about a position. However, I noticed that all of the hyperlinks in the e-mail (even the one on ...
- 115
0
votes
2
answers
301
views
How big must the random string be and how long should a user activation link be available?
As I see in this answer that cryptographically secure randomness is a must in user activation urls such as:
https://example.com/user-activate/^random_string^
But what are considered best practice ...
0
votes
1
answer
127
views
Is it necessary to use cryptographically-secure randomness in order to create URLs for user activation?
Usually once you register in a website you need to visit a url like:
https://example.com/user_activate/^random_string^
Does the ^random_string^ necessarily need to be cryptographically pseudorandom ...
0
votes
0
answers
96
views
What ways a website could hack a device? [duplicate]
Is it possible that clicking a link would hack a device?
For example:
injecting a malicious code into the device directly from the link's host website
connecting to the device remotely in a way ...
- 1
0
votes
1
answer
154
views
Do websites send full URL over HTTP instead of HTTPS if there's an HTTPS connection?
I was learning to use wireshark when I noticed that opening a reddit url (reddit.com/r/privacy) sent a GET request for r/privacy over HTTP. Is this visible to the ISP or network sniffers? I was under ...
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1
vote
1
answer
83
views
How are validation links getting triggered by a third party?
Question: It appears that somebody can intercept and read emails that I send from my server, although
I have set up 2-Factor authentification for sudo-access
I log all logins on my server (Did not ...
- 11
2
votes
4
answers
345
views
Why don't bigger companies buy similar domains to their main domain to prevent typosquatting?
One big threat out there is typosquat domains. For example instead of:
steamcommunity.com some malicious actor will register the domain stearncornmunity.com and set up his fake steam login.
Why do ...
- 41
0
votes
0
answers
2k
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crl.comodoca.com is a legit crl site, how can I determine it's legitimacy when bad actors are attempting to abuse uncertainty about the site
Yesterday I noted in my router logs that my wife's laptop accessed crl.comodoca.com. She was not using the machine at the time. A quick google search found three sites claiming this was an ...
102
votes
5
answers
14k
views
Can I safely preview a short link?
There are a lot of different URL shorteners out there, like Bitly or TinyURL. Besides their main purpose of shortening a link, they also:
obfuscate the actual URL
collect statistics about the usage ...
- 1,653
0
votes
1
answer
181
views
Can someone know my browser and headset model via browsing a link?
I recently clicked on a malicious link on Reddit When I was directed to the link, it asked me to do a couple of captchas. I did them and then was redirected back to Reddit. Then he said he could see ...
-1
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2
answers
430
views
Are the private URLs from Google Photos actually unguessable?
Maybe my math is wrong, but here it goes.
If I generate a private url to share an album in Google Photos, I get something like this
https://photos.app.goo.gl/*****************
where the asterisks are ...
- 103
0
votes
1
answer
102
views
Algorithm to find 'owner' of an arbitrary (scammer) URL?
I'm getting a lot of scams on my mobile phone, and have just tried explaining to my wife how to find out who the 'owner' (network host name?) of a URL is before clicking on it. The basics are obvious -...
- 101
0
votes
2
answers
360
views
Why are there so many special characters in this phishing link?
I recently looked at a spam mail I received. Generally, I'd say it was a fairly standard phishing attempt, but one thing struck me as odd:
The link that victims are supposed to click looks very weird ...
- 101
24
votes
3
answers
4k
views
Browser is accepting italic/bold Unicode as part of SPAM email's URL
This is truly crazy. I received a SPAM email in which there is a URL crafted from apparent Unicode characters that surprisingly exist for italic/bold letters, which when I reported it to Google's spam ...
- 351
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votes
2
answers
336
views
Keyed Hash Function (HMAC) For Unguessable URLs?
I have numeric IDs that I would like to use in filenames. So for example with IDs 1, 2, 3 we would have 1.jpg, 2.jpg, and 3.jpg
Now the problem is that clearly a user could just guess 4.jpg and view ...
- 103
2
votes
2
answers
760
views
Can a JWT be all lowercase?
I'm using JWTs as part of an URL in order to direct a user to a specific site. I could have just used a UUID, but it's nice to have an expiry date in the link, as well as knowing whom the link is ...
- 177
1
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1
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343
views
Some random string is appended prefixed by a DOT at the end of URL
Recently we have run some Security scan report on one of our web-application and it has one issue reported as a path-based vulnerability. The scenario is as follows.
The request URL which our ...
- 111
7
votes
1
answer
499
views
Is it safe to allow CSS filter: url(data:<SVG SOURCE HERE>)?
We have a web service where logged in users can create web page content and write custom CSS for their pages. All the HTML goes through a whitelist parser and doesn't allow any executable content. All ...
0
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0
answers
98
views
Additional verification, sanitization for transcoded CJK paths in URLs
Suppose there is a file hosting server, and most filenames are strings with mostly CJK characters. Transmitting those characters in HTTP GET requests requires encoding them using UTF-8 (x3 overhead) ...
- 370
1
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0
answers
98
views
How following URL's will get open-redirection?
Reading about open-redirection from web application hackers handbook came across a test case in which the server-side is validating user supplied data that the application uses to set target for ...
- 11
1
vote
1
answer
140
views
Link test differs from link location in plaintext view is not visible in Thunderbird
Today I noticed something strange.
I got an email containing a link that links to another site than the text says. In (Simple) HTML, the review is visible when hovering over the link.
However, in ...
- 442
0
votes
0
answers
210
views
How to intercept application specific MIME types used by 3rd party (Windows) browser/plugins apps?
I'm trying to intercept and decipher scripted code that is sent to a previously installed Windows application, after a user have clicked on a particular URL in their web browser which is somehow ...
- 275
3
votes
1
answer
204
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How to create custom exploit https requests to test a PHP framework [closed]
I am working on the auto-routing functionality of Codeigniter 4 and I'd like to test it by sending some nasty exploit-type HTTPS requests to make sure it properly resists mischief. E.g., request a uri ...
- 216
1
vote
1
answer
205
views
What are the risks associate with accessing Same web application with two different URLs?
We have done vulnerability analysis with third party security team. They have mentioned one point as critical findings but i don't understand risk associated with it and suggested remedial action also ...
- 655
0
votes
0
answers
19
views
Security implications of protecting private data with a long URI exclusively [duplicate]
A website hosts private/personal information at a very long and unpredictable URI, yet access to this URI is completely unauthenticated. Are there any major security issues with this?
I can think of ...
- 563
26
votes
4
answers
8k
views
Could receiving a URL link, not clicking on it, ever pose a security problem?
Could receiving in a text or an email, a URL link just like https://security.stackexchange.com/questions/ask of a website, which could be a pernicious one, ever pose a security problem at all? What I ...
- 371
22
votes
3
answers
7k
views
Can ISPs selectively block a page URL on a HTTPS website leaving its other page URLs alone?
I want certain web pages blocked (within my country) by my Govt on a website that uses HTTPS on all pages. My Govt agrees that the specific URLs need to be blocked but expresses helplessness as their ...
- 337
0
votes
1
answer
465
views
Does forwarding a link expose my IP address? [closed]
So my friend sent me a IP grabbing link. I copied and pasted into playstation messages and sent it to my cousin. I’m wondering if my friend got my IP because I copied and pasted. I didn’t open the ...
- 1
1
vote
1
answer
2k
views
Can just clicking on a malicious link lead to hacking of my device? [duplicate]
I was not sure about it and I got some answers from internet but didn't get the logical reasoning behind it.
If I just click on a malicious link it might open a new tab, or it might download something....
- 111
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votes
2
answers
302
views
Is it standard practice to hide where links point in a legitimate email?
Someone in our family recently requested a password change for a website (Costco). Soon after requesting, they received an email with the standard "click the link below to reset", followed ...
- 387
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1
answer
197
views
Is a QR code with a secret URL that changes every 5th minute secure?
I need to verify that survey respondents are in the same physical room or video chat (to prevent industry espionage). The respondents can join by scanning a QR-code that opens a URL which embeds a ...
- 101
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vote
0
answers
92
views
Best practices for handling links in discussion posts
Let's say I have a site like stack overflow. People post comments with - possibly - links to external sites. Is there some "standard" set of rules to make it reasonably safe for users and ...
- 389