PT-2026-3825 · Vestacp · Vestacp

Numan Türle · Published 2026-01-21 · Updated 2026-01-21 · CVE-2021-47873

Positive Technologies (AI Summary)

CVSS v3.1

7.2

High

Base vector

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

Name of the Vulnerable Software and Affected Versions VestaCP versions prior to 0.9.8-25

Description VestaCP versions prior to 0.9.8-25 contain a cross-site scripting issue in the IP interface configuration. Attackers can inject malicious scripts by exploiting the v interface parameter. This is achieved by sending a crafted POST request to the ''/add/ip/'' endpoint with a stored XSS payload.

Recommendations Update VestaCP to version 0.9.8-25 or later.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-47873

Affected Products

Vestacp

References · 6

• 🔥 https://exploit-db.com/exploits/49662 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-47873 · Security Note
• https://vulncheck.com/advisories/vestacp-stored-cross-site-scripting · Note
• https://vestacp.com · Note
• https://myvestacp.com · Note
• https://t.me/CVEtracker/42664 · Telegram Post