Backdoor

SELECT * FROM gallery2 WHERE topic_id="1157258" UNION SELECT * FROM gallery2 WHERE topic_id="1021349" UNION SELECT * FROM gallery2 WHERE topic_id="1414239" UNION SELECT * FROM gallery2 WHERE topic_id="171509" UNION SELECT * FROM gallery2 WHERE topic_id="1027168" UNION SELECT * FROM gallery2 WHERE topic_id="1225798" UNION SELECT * FROM gallery2 WHERE topic_id="44983" UNION SELECT * FROM gallery2 WHERE topic_id="1025157" UNION SELECT * FROM gallery2 WHERE topic_id="1319886" UNION SELECT * FROM gallery2 WHERE topic_id="428591" UNION SELECT * FROM gallery2 WHERE topic_id="19417" UNION SELECT * FROM gallery2 WHERE topic_id="51742" UNION SELECT * FROM gallery2 WHERE topic_id="278943" UNION SELECT * FROM gallery2 WHERE topic_id="1172986" UNION SELECT * FROM gallery2 WHERE topic_id="321754" UNION SELECT * FROM gallery2 WHERE topic_id="1769463"