{keyword}' Union All Select Null,null,null,char(113)||char(122)||char(106)||char(112)||char(113)||char(114)||char(87)||char(120)||char(118)||char(109)||char(100)||char(76)||char(120)||char(70)||char(80)||char(78)||char(120)||char(83)||char(78)||char(104)|| Apr 2026

This random-looking string is used as a "canary." If an attacker sees this exact string appear on the webpage after submitting the query, they know the site is vulnerable to SQL injection and can begin stealing data.

This type of string is typically entered into a search bar or login field to trick a database into revealing hidden information. This random-looking string is used as a "canary

: The attacker uses CHAR() functions (which convert numbers into ASCII characters) to bypass security filters that might block specific words like "admin" or "password". The query you've provided is an example of

The query you've provided is an example of an string, specifically a Union-based SQLi . Decoded String

: This command attempts to combine the results of the original search (for a keyword) with a new set of data defined by the attacker.

The sequence you provided decodes to a specific string used by automated security scanners (like ) to confirm if a website is vulnerable. Decoded String