QwikSec

Security Database

CVE

CWE

Training

CVE-2021-47873

Published: Jan 21, 2026

Modified: Mar 5, 2026

PUBLISHED

CVSS v3.1

7.2

HIGH

Description

VestaCP versions prior to 0.9.8-25 contain a cross-site scripting vulnerability in the IP interface configuration that allows attackers to inject malicious scripts. Attackers can exploit the 'v_interface' parameter by sending a crafted POST request to the add/ip/ endpoint with a stored XSS payload.

Vendor	Product	Versions
VestaCP	VestaCP	affected `0.9.8 - <= 0.9.8-25`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

References

ExploitDB-49662

exploit

VestaCP Official Vendor Homepage

product

VestaCP Alternative Download Site

product

VulnCheck Advisory: VestaCP < 0.9.8-25 - Stored Cross-Site Scripting

third-party-advisory

Security Training

Train your team to recognize and prevent security threats with our comprehensive security awareness program.

Vulnerability Scanning

Discover vulnerabilities in your applications and infrastructure before attackers do.