In the ps_link module for PrestaShop before version 3.1.0, there is a stored XSS when you create or edit a link list block with the title field. The problem is fixed in 3.1.0
{ "versions": [ { "introduced": "1.0.4" }, { "fixed": "3.1.0" } ] }
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-5266.json"