In PiranhaCMS, versions 7.0.0 to 9.1.1 are vulnerable to stored XSS due to the page title improperly sanitized. By creating a page with a specially crafted page title, a low privileged user can trigger arbitrary JavaScript execution.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-25977.json"