{"id":"CVE-2025-53892","aliases":["GHSA-x8qp-wqqm-57ph"],"url":"https://o3.security/vulnerability/CVE-2025-53892","summary":"Intlify Vue I18n's escapeParameterHtml does not prevent DOM-based XSS via tag attributes like onerror","details":"### Summary\nThe escapeParameterHtml: true option in Vue I18n is designed to protect against HTML/script injection by escaping interpolated parameters. However, this setting fails to prevent execution of certain tag-based payloads, such as `<img src=x onerror=...>`, if the interpolated value is inserted inside an HTML context using v-html.\n\nThis may lead to a DOM-based XSS vulnerability, even when using escapeParameterHtml: true, if a translation string includes minor HTML and is rendered via v-html.\n\n### Details\n\nWhen escapeParameterHtml: true is enabled, it correctly escapes common injection points.\n\nHowever, it does not sanitize entire attribute contexts, which can be used as XSS vectors via:\n\n`<img src=x onerror=alert(1)>\n`\n### PoC\nIn your Vue I18n configuration:\n\n```\nconst i18n = createI18n({\n  escapeParameterHtml: true,\n  messages: {\n    en: {\n      vulnerable: 'Caution: <img src=x onerror=\"{payload}\">'\n    }\n  }\n});\n```\nUse this interpolated payload:\n\n`const payload = '<script>alert(\"xss\")</script>';`\nRender the translation using v-html (even not using v-html):\n\n`<p v-html=\"$t('vulnerable', { payload })\"></p>\n`\nExpected: escaped content should render as text, not execute.\n\nActual: script executes in some environments (or the payload is partially parsed as HTML).\n\n### Impact\n\nThis creates a DOM-based Cross-Site Scripting (XSS) vulnerability despite enabling a security option (escapeParameterHtml) .","published":"2025-07-16T13:42:09.383Z","modified":"2026-08-12T03:51:22.346908202Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"npm","name":"vue-i18n","fixedVersion":"9.14.5"},{"ecosystem":"npm","name":"vue-i18n","fixedVersion":"10.0.8"},{"ecosystem":"npm","name":"vue-i18n","fixedVersion":"11.1.10"},{"ecosystem":"npm","name":"@intlify/core","fixedVersion":"9.14.5"},{"ecosystem":"npm","name":"@intlify/core","fixedVersion":"10.0.8"},{"ecosystem":"npm","name":"@intlify/core","fixedVersion":"11.1.10"},{"ecosystem":"npm","name":"@intlify/core-base","fixedVersion":"9.14.5"},{"ecosystem":"npm","name":"@intlify/core-base","fixedVersion":"10.0.8"},{"ecosystem":"npm","name":"@intlify/core-base","fixedVersion":"11.1.10"},{"ecosystem":"npm","name":"@intlify/vue-i18n-core","fixedVersion":"9.14.5"},{"ecosystem":"npm","name":"@intlify/vue-i18n-core","fixedVersion":"10.0.8"},{"ecosystem":"npm","name":"@intlify/vue-i18n-core","fixedVersion":"11.1.10"},{"ecosystem":"npm","name":"petite-vue-i18n","fixedVersion":"10.0.8"},{"ecosystem":"npm","name":"petite-vue-i18n","fixedVersion":"11.1.10"}],"fix":{"url":"https://github.com/intlify/vue-i18n/commit/49f982443ab8fd94ecc427b265ce97d57df94d7e","label":"intlify/vue-i18n@49f9824"},"references":[{"type":"WEB","url":"https://github.com/intlify/vue-i18n/releases/tag/v10.0.8"},{"type":"WEB","url":"https://github.com/intlify/vue-i18n/releases/tag/v11.1.10"},{"type":"WEB","url":"https://github.com/intlify/vue-i18n/releases/tag/v9.14.5"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/53xxx/CVE-2025-53892.json"},{"type":"ADVISORY","url":"https://github.com/intlify/vue-i18n/security/advisories/GHSA-x8qp-wqqm-57ph"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-53892"},{"type":"FIX","url":"https://github.com/intlify/vue-i18n/commit/49f982443ab8fd94ecc427b265ce97d57df94d7e"},{"type":"FIX","url":"https://github.com/intlify/vue-i18n/commit/a47099619fb9b256e86341a8658ebe72e92ab099"},{"type":"FIX","url":"https://github.com/intlify/vue-i18n/pull/2229"},{"type":"FIX","url":"https://github.com/intlify/vue-i18n/pull/2230"},{"type":"PACKAGE","url":"https://github.com/intlify/vue-i18n"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:22.346908202Z"}}