Design/Logic Flaw

The CAPTCHA implementation as used in 1 Francisco Burzi PHP-Nuke 7.0 and 8.1, 2 my123tkShop e-Commerce-Suite aka 123tkShop 0.9.1, 3 phpMyBitTorrent 1.2.2, 4 TorrentFlux 2.3, 5 e107 0.7.11, 6 WebZE 0.5.9, 7 Open Media Collectors Database aka OpenDb 1.5.0b4, and 8 Labgab 1.1 uses a codebg.jpg...