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CVE-2026-118256 Details

Description

Vue I18n is the internationalization plugin for Vue.js. From 9.0.0-beta.5 until 11.4.14 and 12.0.0-alpha.5, enabling escapeParameter, called escapeParameterHtml in the Legacy API, does not escape named interpolation values when the same translation call supplies both list and named values because escapeParams() processes only the list branch. Applications that render translations as HTML and pass untrusted named values with a list can insert attacker-controlled markup, including phishing links, forms, and layout changes, and can permit script execution when combined with the srcdoc sanitizer bypass or on releases without the sanitizer. This issue is fixed in versions 11.4.14 and 12.0.0-alpha.5.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/intlify/vue-i18n/security/advisories/GHSA-8rc2-428q-7ww3	CISA-ADP
https://github.com/intlify/vue-i18n/commit/d657ce8f4b3b6b198a8f6e3d09e2b57a5d019fb8	[email protected]
https://github.com/intlify/vue-i18n/pull/2680	[email protected]
https://github.com/intlify/vue-i18n/security/advisories/GHSA-8rc2-428q-7ww3	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-116	Improper Encoding or Escaping of Output	[email protected]
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

2 change records found show changes

Date	Action	Recorded By
Oct 30, 2026	CVE Modified	CISA-ADP
Oct 28, 2026	New CVE Received	[email protected]