phpCoin versions 1.2.2 and lower contain multiple SQL injection vulnerabilities. Example exploit URL included in advisory.
601b133e8301c87eb6eb9fdba49d5cdb091bf6e55921dd461f447ae6272cb8f7
phpCOIN version 1.2.1 suffers from a remote SQL injection vulnerability in mod.php.
851d9fe31093b2a8736a03c6b09fcf3a26c924a64cccfd1b49beaaecb6d38f9f