{"cve":"CVE-2019-11717","nvd":{"published":"2019-07-23T14:15:15.937","modified":"2026-06-17T02:13:29.717","status":"Modified","description":"A vulnerability exists where the caret (\"^\") character is improperly escaped constructing some URIs due to it being used as a separator, allowing for possible spoofing of origin attributes. This vulnerability affects Firefox ESR < 60.8, Firefox < 68, and Thunderbird < 60.8.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","score":5.3},"cwes":["CWE-116"],"references":["http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00055.html","http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00058.html","http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00073.html","http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00009.html","http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00010.html"],"products":["debian:debian_linux","mozilla:firefox","mozilla:thunderbird","novell:suse_package_hub_for_suse_linux_enterprise","opensuse:leap"],"source":"nvd","synced_at":"2026-10-19T20:58:11.797917892+00:00"},"epss":{"cve":"CVE-2019-11717","score":0.02131,"percentile":0.81973,"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."]}