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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.

PUBLISHED Reserved 2026-01-18 | Published 2026-01-21 | Updated 2026-01-22 | Assigner VulnCheck




MEDIUM: 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
HIGH: 7.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Problem types

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

0.9.8 (semver)
affected

Credits

Numan Türle finder

References

www.exploit-db.com/exploits/49662 (ExploitDB-49662) exploit

vestacp.com (VestaCP Official Vendor Homepage) product

myvestacp.com (VestaCP Alternative Download Site) product

www.vulncheck.com/...ies/vestacp-stored-cross-site-scripting (VulnCheck Advisory: VestaCP < 0.9.8-25 - Stored Cross-Site Scripting) third-party-advisory

cve.org (CVE-2021-47873)

nvd.nist.gov (CVE-2021-47873)

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