PrestaShop is an open source e-commerce web application. Versions prior to 1.7.8.10, 8.0.5, and 8.1.1 are vulnerable to cross-site scripting through the `isCleanHTML` method. Versions 1.7.8.10, 8.0.5, and 8.1.1 contain a patch. There are no known workarounds.
https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-xw2r-f8xv-c8xp
https://github.com/PrestaShop/PrestaShop/commit/afc14f8eaa058b3e6a20ac43e033ee2656fb88b4