Prototype pollution in ejs - CVE-2024-33883
Published: June 19, 2024 / Updated: June 28, 2024
Vulnerability identifier: #VU92245
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2024-33883
CWE-ID: CWE-1321
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vendor: mde (Matthew Eernisse)
Affected software:
ejs
ejs
Detailed vulnerability description
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to improper input validation. A remote attacker can add or modify properties of Object.prototype using a __proto__ or constructor payload to execute arbitrary code on the system.
How to mitigate CVE-2024-33883
Install updates from vendor's website.