{"id":"CVE-2025-57880","aliases":["EUVD-2025-30286","GHSA-47gw-9v4f-8f2g"],"status":"published","title":"Potential XSS in Extension:BlueSpiceWhoIsOnline","description":"Improper Encoding or Escaping of Output vulnerability in Hallo Welt! GmbH BlueSpice (Extension:BlueSpiceWhoIsOnline) allows Cross-Site Scripting (XSS).\nThis issue affects BlueSpice: from 5 through 5.1.1.","severity":{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00182,"percentile":0.0783,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-116","CWE-79"],"published":"2025-09-19T13:10:12Z","modified":"2026-06-17T09:43:33Z","products":[{"vendor":"hallo welt! gmbh","product":"bluespice"},{"vendor":"hallowelt","product":"bluespice"}],"references":[{"url":"https://en.wiki.bluespice.com/wiki/Security:Security_Advisories/BSSA-2025-05","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-57880"},{"url":"https://github.com/advisories/GHSA-47gw-9v4f-8f2g"}],"sources":{"cve":[{"id":"CVE-2025-57880","title":"Potential XSS in Extension:BlueSpiceWhoIsOnline","description":"Improper Encoding or Escaping of Output vulnerability in Hallo Welt! GmbH BlueSpice (Extension:BlueSpiceWhoIsOnline) allows Cross-Site Scripting (XSS).\nThis issue affects BlueSpice: from 5 through 5.1.1.","status":"published","published":"2025-09-19T13:10:12.916Z","modified":"2025-09-19T13:56:35.076Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-116"],"updated_at":"2026-11-02T14:32:35.099955Z"}],"euvd":[{"id":"EUVD-2025-30286","description":"Improper Encoding or Escaping of Output vulnerability in Hallo Welt! GmbH BlueSpice (Extension:BlueSpiceWhoIsOnline) allows Cross-Site Scripting (XSS).\nThis issue affects BlueSpice: from 5 through 5.1.1.","status":"published","published":"2025-09-19T13:10:12Z","modified":"2025-09-19T13:56:35Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T20:31:41.254663Z"}],"ghsa":[{"id":"GHSA-47gw-9v4f-8f2g","title":"Improper Encoding or Escaping of Output vulnerability in Hallo Welt! GmbH BlueSpice (Extension...","description":"Improper Encoding or Escaping of Output vulnerability in Hallo Welt! GmbH BlueSpice (Extension:BlueSpiceWhoIsOnline) allows Cross-Site Scripting (XSS).\nThis issue affects BlueSpice: from 5 through 5.1.1.","status":"published","published":"2025-09-19T15:31:08Z","modified":"2025-09-22T18:31:36Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79","CWE-116"],"updated_at":"2026-11-02T15:03:40.93695Z"}],"nvd":[{"id":"CVE-2025-57880","description":"Improper Encoding or Escaping of Output vulnerability in Hallo Welt! GmbH BlueSpice (Extension:BlueSpiceWhoIsOnline) allows Cross-Site Scripting (XSS).\nThis issue affects BlueSpice: from 5 through 5.1.1.","status":"published","published":"2025-09-19T14:15:48.983Z","modified":"2026-06-17T09:43:33.9Z","cvss":[{"version":"4.0","score":5.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-116","CWE-79"],"updated_at":"2026-11-02T14:11:30.865098Z"}]}}