A cross-site scripting (XSS) vulnerability in H.H.G Multistore v5.1.0 and below allows attackers to execute arbitrary web scripts or HTML via a crafted payload inserted into the State parameter under the Address Book module.
https://www.hhg-multistore.com/
https://github.com/blockomat2100/PoCs/blob/main/hhg_multistore/exploit_hhg_multistore.md