High

Eta vulnerable to Code Injection via templates rendered with user-defined data

  • Disclosed: 30.01.2023
  • Updated: 11.10.2026 10:22

Versions of the package eta before 2.0.0 are vulnerable to Remote Code Execution (RCE) by overwriting template engine configuration variables with view options received from The Express render API. Note: This is exploitable only for users who are rendering templates with user-defined data.

Affected software

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PlatformPackageVulnerable versionsFixed in
npm package eta < 2.0.0 2.0.0

References

CVSS score 8.8/10
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-94
Platform
npm
Package
eta
Disclosed
30.01.2023
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-mf6x-hrgr-658f - CC BY 4.0

Vulnerability history: eta

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

Total entries
2
First → latest
01.2023 01.2023
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • High 2

Disclosures per year

  1. 2023: 2
  2. 2024: 0
  3. 2025: 0
  4. 2026: 0
  1. High · 8.6 CVE-2023-23630 < 2.0.0 2.0.0
  2. Eta vulnerable to Code Injection via templates rendered with user-defined data this entry
    High · 8.8 CVE-2022-25967 < 2.0.0 2.0.0

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