CVE-2023-23630

Cross-site (XSS) vulnerability with Express API in Eta

Published Feb 1, 2023 CVSS 3.1 · 8.6 High EPSS < 1% KEV · Not listed
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

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-0593 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`.
Github GHSA Github GHSA GHSA-xrh7-m5pp-39r6 XSS Attack with Express API
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Mar 10, 2025, 9:17 PM
Reserved
Jan 16, 2023, 5:07 PM
Status
Modified
Published
Feb 1, 2023, 1:15 AM
Modified
Jun 17, 2026, 5:37 AM