js-toml is vulnerable to Prototype Pollution_CVE-2025-54803

7.9 / 10

HIGH

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H

Description

js-toml is a TOML parser for JavaScript, fully compliant with the TOML 1.0.0 Spec. In versions below 1.0.2, a prototype pollution vulnerability in js-toml allows a remote attacker to add or modify properties of the global Object.prototype by parsing a maliciously crafted TOML input. This is fixed in version 1.0.2.

Basic Information

ID CVE-2025-54803

Source GitHub_M

Published Aug 5, 2025 at 00:06

Modified Aug 5, 2025 at 14:31

Affected Product

Vendor sunnyadn

Product js-toml

Version < 1.0.2

Affected Versions sunnyadn js-toml < 1.0.2

CWE Classification

CWE-1321

References

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    "published": "2025-08-05T00:06:15.916Z",
    "modified": "2025-08-05T14:31:35.284Z",
    "type": "cve",
    "title": "js-toml is vulnerable to Prototype Pollution",
    "source": "GitHub_M",
    "references": "https://github.com/sunnyadn/js-toml/security/advisories/GHSA-65fc-cr5f-v7r2\nhttps://github.com/sunnyadn/js-toml/commit/b125910a3f094b744c9c3571360d4b9e3a472f66\nhttps://gist.github.com/siunam321/f3dc4d21a5a932c67b6c11d0026f5afc",
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