{"cve":"CVE-2017-5466","nvd":{"published":"2018-06-11T21:29:07.297","modified":"2026-06-17T01:20:33.250","status":"Modified","description":"If a page is loaded from an original site through a hyperlink and contains a redirect to a \"data:text/html\" URL, triggering a reload will run the reloaded \"data:text/html\" page with its origin set incorrectly. This allows for a cross-site scripting (XSS) attack. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 52.1, and Firefox < 53.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"references":["http://www.securityfocus.com/bid/97940","http://www.securitytracker.com/id/1038320","https://access.redhat.com/errata/RHSA-2017:1106","https://access.redhat.com/errata/RHSA-2017:1201","https://bugzilla.mozilla.org/show_bug.cgi?id=1353975"],"products":["mozilla:firefox","mozilla:thunderbird","redhat:enterprise_linux","redhat:enterprise_linux_desktop","redhat:enterprise_linux_server","redhat:enterprise_linux_server_aus","redhat:enterprise_linux_server_eus","redhat:enterprise_linux_workstation"],"source":"nvd","synced_at":"2026-10-19T20:51:47.459859389+00:00"},"epss":{"cve":"CVE-2017-5466","score":0.01515,"percentile":0.74515,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}