CVE-2023-23630

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

State: Published
Severity: 8.6 High
Published: Feb 1, 2023
Updated: Mar 10, 2025
Reserved: Jan 16, 2023

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`.

Scores

CVSS	Score	Vector	Source
3.1	8.6 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H	GitHub_M

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
etaeta-dev	< 2.0.0Affected

References

https://github.com/eta-dev/eta/security/advisories/GHSA-xrh7-m5pp-39r6
https://github.com/eta-dev/eta/commit/5651392462ee0ff19d77c8481081a99e5b9138dd
https://github.com/eta-dev/eta/releases/tag/v2.0.0

Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.