Vulnerability Details CVE-2026-41692
i18nextify is a JavaScript library that adds website internationalization via a script tag, without source code changes. Versions prior to 4.0.8 substitute {{key}} interpolation tokens inside src and href attribute values with the raw string returned by i18next.t(). The substitution logic in src/localize.js (the replaceInside handler) only guards against a duplicated http:// origin prefix — it does not validate the URL scheme of the substituted value. A translated value such as javascript:alert(1) or data:text/html,<script>...</script> is applied unchanged to the live DOM attribute when an attacker can influence the content of a translation file or the translation-backend response — for example, via a compromised translation CDN, user-contributed locales, a MITM on a plain-HTTP backend, or write access to the translation JSON. This issue was patched in version 4.0.8.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 10.8%
CVSS Severity
CVSS v3 Score 4.7
Products affected by CVE-2026-41692
-
cpe:2.3:a:i18next:i18nextify:0.0.1
-
cpe:2.3:a:i18next:i18nextify:0.0.2
-
cpe:2.3:a:i18next:i18nextify:0.0.3
-
cpe:2.3:a:i18next:i18nextify:0.0.4
-
cpe:2.3:a:i18next:i18nextify:0.0.5
-
cpe:2.3:a:i18next:i18nextify:0.1.0
-
cpe:2.3:a:i18next:i18nextify:0.1.1
-
cpe:2.3:a:i18next:i18nextify:0.1.2
-
cpe:2.3:a:i18next:i18nextify:0.1.3
-
cpe:2.3:a:i18next:i18nextify:0.1.4
-
cpe:2.3:a:i18next:i18nextify:0.2.0
-
cpe:2.3:a:i18next:i18nextify:0.2.1
-
cpe:2.3:a:i18next:i18nextify:0.3.0
-
cpe:2.3:a:i18next:i18nextify:0.4.0
-
cpe:2.3:a:i18next:i18nextify:0.5.0
-
cpe:2.3:a:i18next:i18nextify:0.6.0
-
cpe:2.3:a:i18next:i18nextify:0.6.1
-
cpe:2.3:a:i18next:i18nextify:0.6.2
-
cpe:2.3:a:i18next:i18nextify:0.7.0
-
cpe:2.3:a:i18next:i18nextify:0.7.1
-
cpe:2.3:a:i18next:i18nextify:0.7.2
-
cpe:2.3:a:i18next:i18nextify:0.7.3
-
cpe:2.3:a:i18next:i18nextify:0.8.0
-
cpe:2.3:a:i18next:i18nextify:0.9.0
-
cpe:2.3:a:i18next:i18nextify:1.0.0
-
cpe:2.3:a:i18next:i18nextify:1.0.1
-
cpe:2.3:a:i18next:i18nextify:1.0.2
-
cpe:2.3:a:i18next:i18nextify:1.1.0
-
cpe:2.3:a:i18next:i18nextify:1.1.1
-
cpe:2.3:a:i18next:i18nextify:1.1.2
-
cpe:2.3:a:i18next:i18nextify:1.1.3
-
cpe:2.3:a:i18next:i18nextify:1.1.4
-
cpe:2.3:a:i18next:i18nextify:1.2.0
-
cpe:2.3:a:i18next:i18nextify:1.2.1
-
cpe:2.3:a:i18next:i18nextify:1.3.0
-
cpe:2.3:a:i18next:i18nextify:1.4.0
-
cpe:2.3:a:i18next:i18nextify:1.5.0
-
cpe:2.3:a:i18next:i18nextify:1.5.1
-
cpe:2.3:a:i18next:i18nextify:2.0.0
-
cpe:2.3:a:i18next:i18nextify:2.0.1
-
cpe:2.3:a:i18next:i18nextify:2.0.2
-
cpe:2.3:a:i18next:i18nextify:2.1.0
-
cpe:2.3:a:i18next:i18nextify:2.2.0
-
cpe:2.3:a:i18next:i18nextify:2.5.10
-
cpe:2.3:a:i18next:i18nextify:2.5.11
-
cpe:2.3:a:i18next:i18nextify:2.5.5
-
cpe:2.3:a:i18next:i18nextify:2.5.6
-
cpe:2.3:a:i18next:i18nextify:2.5.7
-
cpe:2.3:a:i18next:i18nextify:2.5.8
-
cpe:2.3:a:i18next:i18nextify:2.5.9
-
cpe:2.3:a:i18next:i18nextify:2.6.0
-
cpe:2.3:a:i18next:i18nextify:3.0.0
-
cpe:2.3:a:i18next:i18nextify:3.0.1
-
cpe:2.3:a:i18next:i18nextify:3.0.2
-
cpe:2.3:a:i18next:i18nextify:3.0.3
-
cpe:2.3:a:i18next:i18nextify:3.0.4
-
cpe:2.3:a:i18next:i18nextify:3.0.5
-
cpe:2.3:a:i18next:i18nextify:3.1.0
-
cpe:2.3:a:i18next:i18nextify:3.1.1
-
cpe:2.3:a:i18next:i18nextify:3.1.2
-
cpe:2.3:a:i18next:i18nextify:3.2.0
-
cpe:2.3:a:i18next:i18nextify:3.2.1
-
cpe:2.3:a:i18next:i18nextify:3.2.2
-
cpe:2.3:a:i18next:i18nextify:3.2.3
-
cpe:2.3:a:i18next:i18nextify:3.3.0
-
cpe:2.3:a:i18next:i18nextify:3.3.1
-
cpe:2.3:a:i18next:i18nextify:3.3.2
-
cpe:2.3:a:i18next:i18nextify:3.3.3
-
cpe:2.3:a:i18next:i18nextify:3.3.4
-
cpe:2.3:a:i18next:i18nextify:4.0.0
-
cpe:2.3:a:i18next:i18nextify:4.0.1
-
cpe:2.3:a:i18next:i18nextify:4.0.2
-
cpe:2.3:a:i18next:i18nextify:4.0.3
-
cpe:2.3:a:i18next:i18nextify:4.0.4
-
cpe:2.3:a:i18next:i18nextify:4.0.5
-
cpe:2.3:a:i18next:i18nextify:4.0.6
-
cpe:2.3:a:i18next:i18nextify:4.0.7