Vulnerability 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.
CVSS Score
LOW
Related Weaknesses (CWE)
References
- https://github.com/i18next/i18next-http-backend/commit/042c3d4e4e9d73b2ae3aa76b2
- https://github.com/i18next/i18next-http-backend/security/advisories/GHSA-9jhj-wv
- https://github.com/i18next/i18next-http-backend/security/advisories/GHSA-xvq9-wj
- https://www.vulncheck.com/advisories/i18next-http-backend-4.0.2-protocol-relativ
- https://github.com/i18next/i18next-http-backend/security/advisories/GHSA-9jhj-wv
FAQ
What is CVE-2026-115730?
CVE-2026-115730 is a vulnerability with a CVSS score of 3.1 (LOW). 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 t...
How severe is CVE-2026-115730?
CVE-2026-115730 has been rated LOW with a CVSS base score of 3.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-115730?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.