Most major tax providers keep prior-year software available on their websites, usually buried in the "Resources" or "Prior Year Returns" section.
Because the developer used the subdomain wwwxx.[redacted].com , they failed to secure the API endpoints. Security researchers discovered that by simply changing a number in the URL ( /user/1234/taxform to /user/1235/taxform ), you could view another person’s partially completed tax return. wwwxx 2018 tax app
You cannot use the current version of any tax software (TurboTax, H&R Block, TaxSlayer, etc.) to file a 2018 return. Tax laws change every year, and software is updated annually to reflect those changes. Most major tax providers keep prior-year software available
For users looking to file for the 2018 tax year or manage prior-year returns, several platforms consistently rank highly: You cannot use the current version of any
While the name “wwwxx” now feels like a typo or a forgotten URL shortener, in early 2018, it was a curiosity for early adopters looking to avoid bloated desktop software. But what happened to the wwwxx 2018 Tax App? And what lessons does it hold for today’s filers?
The 2018 tax season was a major turning point for tax software developers. Major apps like TurboTax and H&R Block shifted toward conversational interfaces to help users understand significant changes, such as the nearly doubled standard deduction and the elimination of many personal exemptions.
While you cannot use the standard "e-file" buttons for 2018 returns, the IRS still accepts prior-year returns.
