VULNERABILITY INTELLIGENCE

CVE-2025-13204

CVSS score9.8 CRITICAL
EPSS probability0.85%
CISA KEVNot currently listed
Published2025-11-14
Last modified2026-10-30
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

npm package `expr-eval` is vulnerable to Prototype Pollution. An attacker with access to express eval interface can use JavaScript prototype-based inheritance model to achieve arbitrary code execution. The npm expr-eval-fork package resolves this issue.

Weakness classification

  • 134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-1321

Primary references