CVE-2025-54803

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.

CVSS

No CVSS.

References

Link	Resource
https://gist.github.com/siunam321/f3dc4d21a5a932c67b6c11d0026f5afc
https://github.com/sunnyadn/js-toml/commit/b125910a3f094b744c9c3571360d4b9e3a472f66
https://github.com/sunnyadn/js-toml/security/advisories/GHSA-65fc-cr5f-v7r2
https://gist.github.com/siunam321/f3dc4d21a5a932c67b6c11d0026f5afc

Configurations

No configuration.

History

05 Aug 2025, 15:15

Type	Values Removed	Values Added
References	~~() https://gist.github.com/siunam321/f3dc4d21a5a932c67b6c11d0026f5afc -~~	() https://gist.github.com/siunam321/f3dc4d21a5a932c67b6c11d0026f5afc -

05 Aug 2025, 14:34

Type	Values Removed	Values Added
Summary		(es) js-toml es un analizador TOML para JavaScript, totalmente compatible con la especificación TOML 1.0.0. En versiones anteriores a la 1.0.2, una vulnerabilidad de contaminación de prototipos en js-toml permite a un atacante remoto añadir o modificar propiedades del Object.prototype global mediante el análisis de una entrada TOML maliciosa. Esto se corrigió en la versión 1.0.2.

05 Aug 2025, 01:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-08-05 01:15

Updated : 2025-08-05 15:15

NVD link : CVE-2025-54803

Mitre link : CVE-2025-54803

CVE.ORG link : CVE-2025-54803

JSON object : View

Products Affected

No product.

CWE

CWE-1321

Improperly Controlled Modification of Object Prototype Attributes ('Prototype Pollution')

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