SQL injection vulnerability in search.php in PunBB 1.2.7 and 1.2.8 allows remote attackers to execute arbitrary SQL commands via the old_searches parameter.
https://exchange.xforce.ibmcloud.com/vulnerabilities/22760
https://euvd.enisa.europa.eu/vulnerability/EUVD-2005-3517
http://www.securityfocus.net/bid/15114/
http://www.punbb.org/changelogs/1.2.8_to_1.2.9.txt
http://www.kapda.ir/advisory-91.html
http://securityreason.com/securityalert/87