Back to Database
Status published
High
CVE-2025-54803
js-toml is vulnerable to Prototype Pollution
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2025-54803
Credits & Attribution
No credits recorded in the NVD database.
Affected Vendor
sunnyadn
View all reports →Affected Software
js-toml
Vulnerable Versions:
< 1.0.2
Timeline
Official Publish:
August 5th, 2025
Last Modified:
August 5th, 2025
Added to House:
July 22nd, 2026
CVSS Vectors
Weaknesses (CWE)
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.