SB2026031634 - Prototype pollution in min-document

Description

This security bulletin contains information about 1 vulnerability.

1) Prototype pollution (CVE-ID: CVE-2025-57352)

CWE-ID: CWE-1321 - Improperly Controlled Modification of Object Prototype Attributes (\'Prototype Pollution\')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green

The vulnerability allows a remote attacker to execute arbitrary JavaScript code.

The vulnerability exists due to insufficient validation of attribute namespace removal operations, allowing unintended modification of critical object prototypes. A remote attacker can manipulate the prototype chain of JavaScript objects by processing malicious input involving the __proto__ property, leading to denial of service or arbitrary code execution.

Remediation

Install update from vendor's website.

References

• https://github.com/Raynos/min-document/issues/54
• https://github.com/VulnSageAgent/PoCs/tree/main/JavaScript/prototype-pollution/CVE-2025-57352