Decidim is a participatory democracy framework. The pagination feature used in searches and filters is subject to potential XSS attack through a malformed URL using the GET parameter `per_page`. This vulnerability is fixed in 0.27.6 and 0.28.1. Referenceshttps://github.com/decidim/decidim/security/advisories/GHSA-7cx8-44pc-xv3qhttps://github.com/decidim/decidim/releases/tag/v0.27.6https://github.com/decidim/decidim/releases/tag/v0.28.1