Prototype pollution in patchmerge

Published: 2021-03-18
Risk High
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2021-25916
Exploitation vector Network
Public exploit N/A
Vulnerable software
Web applications / Modules and components for CMS

Vendor Paul Humphreys

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Prototype pollution

EUVDB-ID: #VU51565

Risk: High


CVE-ID: CVE-2021-25916

CWE-ID: CWE-94 - Improper Control of Generation of Code ('Code Injection')

Exploit availability: No


The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation. A remote attacker can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


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

Vulnerable software versions

patchmerge: 1.0.0 - 1.0.1

CPE2.3 External links

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?