#VU26600 CSV Injection in Login by Auth0 - CVE-2020-7947
Published: April 6, 2020
Vulnerability identifier: #VU26600
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-7947
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Login by Auth0
Login by Auth0
Software vendor:
auth0 on WordPress
auth0 on WordPress
Description
The vulnerability allows a remote attacker to inject arbitrary code into CSV files.
The vulnerability exists due to insufficient sanitization of user-supplied data when constructing CSV files in the numerous fields. A remote attacker can inject malicious data into the contact form fields that is used later by the plugin to generate CSV files. Such files can be opened with Microsoft Excel built-in functions and utilize its functionality to execute malicious macros.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install updates from vendor's website.