CVE-2025-13204
expr-eval vulnerable to Prototype Pollution
7.3
HIGH
CVSS 3.1
EPSS 0.06%
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.
How to fix CVE-2025-13204
To remediate CVE-2025-13204, upgrade the affected package to a fixed version below.
- —no fix listed
- —upgrade to 2.0.2 or later
Is CVE-2025-13204 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, <= 2.0.2
- from 0, < 2.0.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |