{keyword} And (select 8148 From(select Count(*),concat(0x7162717671,(select (elt(8148=8148,1))),0x7171627171,floor(rand(0)*2))x From Information_schema.character_sets Group By X)a)-- Qkgc May 2026

like usernames, hashed passwords, or emails. How to Prevent It

If you are a developer, you can stop these attacks using three main methods: like usernames, hashed passwords, or emails

It uses functions like CONCAT and GROUP BY to intentionally trigger a duplicate-key error. The database's error message will then "leak" the information hidden inside the query (in this case, the results of the SELECT 1 or version info) back to the attacker's screen. like usernames, hashed passwords, or emails

Only allow the types of characters you expect. If a user is searching for a "Keyword," they probably don't need to use parentheses or semicolons. like usernames, hashed passwords, or emails

The snippet you provided is a classic example of an attack.