In Roundup before 2.5.0, XSS can occur via interaction between URLs and issue tracker templates (devel and responsive).
{ "binaries": [ { "binary_name": "roundup", "binary_version": "1.4.20-1.1+deb8u2build0.16.04.1" } ] }
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-53865.json"