CVE-2021-47873

MEDIUM EPSS 9.1%

Published Jan 21, 20265mo ago · Modified Jun 17, 20262w ago

5.1 CVSS 4.0

Medium

Published Jan 21, 2026 5mo ago

Last Modified Jun 17, 2026 2w ago

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.

CVSS Details

Base Score

5.1

Exploitability

—

Impact

—

Vector string

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector Network

Attack Complexity Low

Privileges Required Low

User Interaction P

Scope X

Threat Intelligence

EPSS Exploit Probability

9.1% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

References 4

myvestacp.com https://myvestacp.com
vestacp.com https://vestacp.com
exploit-db.com https://www.exploit-db.com/exploits/49662
vulncheck.com https://www.vulncheck.com/advisories/vestacp-stored-cross-site-scripting

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.