Always ensure you're operating within the bounds of your region's laws and the Wii's (and game's) terms of service. If you're diving into save editing or WBFS files for WWE '13, have fun exploring your creativity or troubleshooting your game, but do so responsibly.
The term "Pal" likely refers to the PAL region version of the game, which includes versions released in Europe, Australia, and some other parts of the world. WiiWBFS links often point to downloads or hosting of these game files. wwe 13 wii s3xp78 pal wiiwbfs link