{"id":"CVE-2019-15618","aliases":["EUVD-2019-6575","GHSA-fjhc-75vv-2hgm"],"status":"published","title":"Missing escaping of HTML in the Updater of Nextcloud 15.0.5 allowed a reflected XSS when starting...","description":"Missing escaping of HTML in the Updater of Nextcloud 15.0.5 allowed a reflected XSS when starting the updater from a malicious location.","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00729,"percentile":0.54574,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2020-02-04T19:08:57Z","modified":"2026-10-24T10:31:05Z","products":[{"vendor":"hackerone","product":"nextcloud server"},{"vendor":"nextcloud","product":"nextcloud_server"}],"references":[{"url":"https://hackerone.com/reports/515484","tags":["x_refsource_MISC","x_transferred","Permissions Required","report"]},{"url":"https://nextcloud.com/security/advisory/?id=NC-SA-2020-007","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-15618"},{"url":"https://github.com/advisories/GHSA-fjhc-75vv-2hgm"}],"sources":{"cve":[{"id":"CVE-2019-15618","description":"Missing escaping of HTML in the Updater of Nextcloud 15.0.5 allowed a reflected XSS when starting the updater from a malicious location.","status":"published","published":"2020-02-04T19:08:57Z","modified":"2024-08-05T00:56:22.096Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:20:21.703364Z"}],"euvd":[{"id":"EUVD-2019-6575","description":"Missing escaping of HTML in the Updater of Nextcloud 15.0.5 allowed a reflected XSS when starting the updater from a malicious location.","status":"published","published":"2020-02-04T19:08:57Z","modified":"2024-08-05T00:56:22Z","updated_at":"2026-11-03T02:40:35.132035Z"}],"ghsa":[{"id":"GHSA-fjhc-75vv-2hgm","title":"Missing escaping of HTML in the Updater of Nextcloud 15.0.5 allowed a reflected XSS when starting...","description":"Missing escaping of HTML in the Updater of Nextcloud 15.0.5 allowed a reflected XSS when starting the updater from a malicious location.","status":"published","published":"2022-05-24T17:07:56Z","modified":"2023-01-29T05:01:26Z","updated_at":"2026-11-02T14:44:49.414884Z"}],"nvd":[{"id":"CVE-2019-15618","description":"Missing escaping of HTML in the Updater of Nextcloud 15.0.5 allowed a reflected XSS when starting the updater from a malicious location.","status":"published","published":"2020-02-04T20:15:12.247Z","modified":"2026-06-17T02:20:45.493Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:05:43.875329Z"}],"osv":[{"id":"CVE-2019-15618","description":"Missing escaping of HTML in the Updater of Nextcloud 15.0.5 allowed a reflected XSS when starting the updater from a malicious location.","status":"published","published":"2020-02-04T20:15:12.247Z","modified":"2026-10-24T10:31:05.650972267Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:11.361782Z"}]}}