What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 6.9 v4.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-04-07 · updated 2026-06-17
• Weakness: CWE-1321

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

• remcohaszing estree-util-value-to-estree: before 3.3.3

References

• https://github.com/remcohaszing/estree-util-value-to-estree/commit/d0c394fbc64bc55937ffe4e162b81f15ba506e55
• https://github.com/remcohaszing/estree-util-value-to-estree/security/advisories/GHSA-f7f6-9jq7-3rqj

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