{"id":"CVE-2026-115730","published":"2026-10-23T13:17:08.887","lastModified":"2026-10-23T19:45:03.547","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.","cvssScore":3.1,"cvssSeverity":"LOW","cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N","cwes":["CWE-74"],"vendors":[],"products":[],"references":[{"url":"https://github.com/i18next/i18next-http-backend/commit/042c3d4e4e9d73b2ae3aa76b22cb45d48f1e35b7","tags":[]},{"url":"https://github.com/i18next/i18next-http-backend/security/advisories/GHSA-9jhj-wvmw-cfx5","tags":[]},{"url":"https://github.com/i18next/i18next-http-backend/security/advisories/GHSA-xvq9-wjp8-hwqf","tags":[]},{"url":"https://www.vulncheck.com/advisories/i18next-http-backend-4.0.2-protocol-relative-url-injection-via-namespace-in-interpolateurl","tags":[]}],"exploitRefs":[{"url":"https://github.com/i18next/i18next-http-backend/commit/042c3d4e4e9d73b2ae3aa76b22cb45d48f1e35b7","tags":[]},{"url":"https://github.com/i18next/i18next-http-backend/security/advisories/GHSA-9jhj-wvmw-cfx5","tags":[]},{"url":"https://github.com/i18next/i18next-http-backend/security/advisories/GHSA-xvq9-wjp8-hwqf","tags":[]}],"hasPoc":true,"ai":null}