{"action":"Upgrade znuny to 6.5.19-1 or later.","affected":[{"fixed":"6.5.19-1","introduced":"0"}],"component":"znuny","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["6.5.19-1"],"id":"tcs_01M5NP05V1N2Q28Q3E30VTN4ED","modified_at":"2026-09-01T20:05:53.571470792Z","published_at":"2026-03-23T20:16:23.263Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-52204","https://security-tracker.debian.org/tracker/CVE-2025-52204"],"severity":{"label":"medium","score":6.1},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-52204#Debian:14/znuny","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-52204"}],"summary":"A Cross-Site Scripting (XSS) vulnerability exists in Znuny::ITSM 6.5.x in the customer.pl endpoint via the OTRSCustomerInterface parameter"}