CVE-2025-32014 — estree-util-value-to-estree allows prototype pollution in generated ESTree

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MEDIUM

estree-util-value-to-estree allows prototype pollution in generated ESTree

Published Apr 7, 2025

6.9

MEDIUM

CVSS 4.0

EPSS 0.44%

Description

estree-util-value-to-estree converts a JavaScript value to an ESTree expression. When generating an ESTree from a value with a property named __proto__, valueToEstree would generate an object that specifies a prototype instead. This vulnerability is fixed in 3.3.3.

Affected products

Vendor Remcohaszing Product Estree-Util-Value-to-Estree Default
n/a
- Version
  < 3.3.3
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Remcohaszing

Estree-Util-Value-to-Estree

n/a

Version	Status	Constraints
< 3.3.3	affected	-

Ecosystem	Package	Introduced	Fixed
npm	estree-util-value-to-estree	0	3.3.3

Remediation

No remediation recorded yet.

Metrics

0.44% 0.00439

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.

EPSS probability 0.00439

Score over time

2025–2026

EPSS v4
EPSS v5

Percentile over time

EPSS v4
EPSS v5

Table of values (3 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 3, 2026	0.44% (0.00439)	35.97th	v5 (v2026.06.15)
Jun 15, 2026	0.37% (0.00369)	28.52th	v5 (v2026.06.15)
Apr 8, 2025	0.04% (0.00045)	10.96th	v4 (v2025.03.14)

Weaknesses (1)

CWE-1321

References (4)

Link	Providers	Tags
https://github.com/advisories/GHSA-f7f6-9jq7-3rqj		Advisory
https://github.com/remcohaszing/estree-util-value-to-estree/commit/d0c394fbc64bc55937ffe4e162b81f15ba506e55		x_refsource_MISC
https://github.com/remcohaszing/estree-util-value-to-estree/security/advisories/GHSA-f7f6-9jq7-3rqj		x_refsource_CONFIRM
https://nvd.nist.gov/vuln/detail/CVE-2025-32014