Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Sumit Surai Featured Posts with Multiple Custom Groups (FPMCG) allows Reflected XSS.This issue affects Featured Posts with Multiple Custom Groups (FPMCG): from n/a through 4.0.
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.