Description
Eta is an embedded JS templating engine that works inside Node, Deno, and the browser. XSS attack - anyone using the Express API is impacted. The problem has been resolved. Users should upgrade to version 2.0.0. As a workaround, don't pass user supplied things directly to `res.render`.
Remediation
References
https://github.com/eta-dev/eta/releases/tag/v2.0.0
https://github.com/eta-dev/eta/commit/5651392462ee0ff19d77c8481081a99e5b9138dd
https://github.com/eta-dev/eta/security/advisories/GHSA-xrh7-m5pp-39r6
Related Vulnerabilities
CVE-2020-10687 Vulnerability in maven package io.undertow:undertow-core
CVE-2017-1000487 Vulnerability in maven package org.codehaus.plexus:plexus-utils
CVE-2021-41182 Vulnerability in maven package org.webjars.bowergithub.jquery:jquery-ui
CVE-2019-9155 Vulnerability in maven package org.webjars.npm:openpgp
CVE-2021-23342 Vulnerability in maven package org.webjars.npm:docsify