: The double dash is a comment in SQL, which tells the database to ignore everything after it, effectively neutralizing the rest of the original, legitimate code. Security Implications
: This is a string concatenation used as a "fingerprint." If the attack is successful, the page will display this unique string, confirming the database is vulnerable. : The double dash is a comment in
: Log in as an administrator without a password. : These act as placeholders
: These act as placeholders. For a UNION attack to work, the second query must have the exact same number of columns as the first. An attacker could potentially: : This attempts to
If this input was successfully processed by a system, it would indicate a high-risk vulnerability. An attacker could potentially:
: This attempts to combine the results of the legitimate query with a new "dummy" query created by the attacker.
: Identify table names and column structures. Recommended Fix