{"id":"CVE-2026-115730","revision":"01107d0ad9344843b5fd35d01e0d8824","records":[{"revision":"01107d0ad9344843b5fd35d01e0d8824","observedAt":"2026-10-23T16:01:20.601+00:00","statement":{"source":"cve-program","id":"CVE-2026-115730","aliases":[],"title":"i18next-http-backend 4.0.2 Protocol-Relative URL Injection via Namespace in interpolateUrl","description":"i18next-http-backend 4.0.2 contains an incomplete fix in interpolateUrl() that allows attackers to redirect translation requests by supplying an ns value starting with a slash. Attackers controlling the namespace value can form a protocol-relative URL in loadPath or addPath templates to load attacker-hosted translations, enabling UI content injection and cross-site scripting.","state":0,"publishedAt":"2026-10-23T12:55:09.891+00:00","modifiedAt":"2026-10-23T12:55:09.891+00:00","affected":[{"ecosystem":"Vendor product","name":"i18next-http-backend","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"i18next\",\n                    \"product\": \"i18next-http-backend\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"4.0.2\",\n                            \"lessThan\": \"4.0.3\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\"\n                        }\n                    ],\n                    \"packageURL\": \"pkg:npm/i18next-http-backend\",\n                    \"repo\": \"https://github.com/i18next/i18next-http-backend\"\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N","score":2.3,"severity":"LOW"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","score":3.1,"severity":"LOW"}],"references":["https://github.com/i18next/i18next-http-backend/security/advisories/GHSA-9jhj-wvmw-cfx5","https://github.com/i18next/i18next-http-backend/commit/042c3d4e4e9d73b2ae3aa76b22cb45d48f1e35b7","https://github.com/i18next/i18next-http-backend/security/advisories/GHSA-xvq9-wjp8-hwqf","https://www.vulncheck.com/advisories/i18next-http-backend-4.0.2-protocol-relative-url-injection-via-namespace-in-interpolateurl"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-115730","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-115730","identifiers":["CVE-2026-115730"]},"retained":false,"historicalAffected":[]}],"coverage":[]}