Can't sanitize user entered data
255
How can I prevent SQL injection in PHP?
83193
How to make user passwords shown as a clear text in Linux?
47659
Cannot insert data in the database using option(textarea)
70270
In Which Contexts are Plugins Responsible for Data Validation/Sanitization?
145890
Regex/ code to fix corrupt serialized PHP data.
150383
Error when creating data with special characters and numbers
108790
Wiping out default text when user will enter a username
122816
SQL injection with php filtering
24519
Disable browser 'Save Password' functionality
248
Incomprehensible "Your post appears to contain code that is not properly formatted as code" error
26864
Special characters in input file
112986
Validation / Dirty Flag: should we force users to fix invalid entries before they move to another screen in the software?
31372
Why does this accept invalid input?
48485
How to prevent XSS (Cross Site Scripting) whilst allowing HTML input
39060
Classic ASP SQL Injection Protection
72435
User-defined usage message template; removing repeated text
97924
some characters that need to use '\' before them to delete