#VU118197 Prototype pollution in pathval - CVE-2020-7751

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Main Vulnerability Database Vulnerabilities #VU118197

#VU118197 Prototype pollution in pathval - CVE-2020-7751

Published: November 7, 2025


Vulnerability identifier: #VU118197
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2020-7751
CWE-ID: CWE-1321
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
pathval
Software vendor:
chaijs

Description

The vulnerability allows a remote privileged user to execute arbitrary JavaScript code.

The vulnerability exists due to improper input validation. A remote privileged user can pass specially crafted input to the application and perform prototype pollution, which can result in information disclosure or data manipulation.


Remediation

Cybersecurity Help is currently unaware of any official solution to address this vulnerability..

External links