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`.
CVSS Score
8.6
EPSS Score
0.001
Published
2023-02-01
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.
CVSS Score
8.1
EPSS Score
0.05
Published
2023-01-30