Do I need to worry about infection from a .PDF from an untrusted sender previewed within GMail?

Context: I received an email claiming an order has been shipped for a service that I am subscribed to but did not believe was due for renewal. I panicked and clicked to preview the attached invoice pdf (I previewed it using GMail’s viewer,… Continue reading Do I need to worry about infection from a .PDF from an untrusted sender previewed within GMail?

Noscript: Where in the browser’s ‘inspector’ can I correlate a script source site with specific page functionality

NOT a duplicate of: NoScript: How to determine which sites/scripts to whitelist?
The above referenced question and its answers focused on how to "gauge the trust" of the various sites that provide scripts. This is hugely valuab… Continue reading Noscript: Where in the browser’s ‘inspector’ can I correlate a script source site with specific page functionality

Is it possible that a website is built in such a way that when I upload a pdf to the website, something else in my folder will also be uploaded?

For example I am using the newest version of firefox and want to upload some pdf files to be merged into one at one of the website used to merge pdf. Would it be possible for the website to also upload some other something else in my folde… Continue reading Is it possible that a website is built in such a way that when I upload a pdf to the website, something else in my folder will also be uploaded?