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TI-2021-22487 Aliases CVE-2021-47873GHSA-f955-hgxq-hv82

VestaCP < 0.9.8-25 - Stored Cross-Site Scripting

Priority MEDIUM 56CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00229 13th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
VestaCPVestaCP0.9.8 – 0.9.8-25—No fix listedCNA
  • VestaCP VendorVestaCP Affected 0.9.8 – 0.9.8-25 Fixed in — No fix listed CNA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-47873
  2. 2026-10-03 Alias added: GHSA-f955-hgxq-hv82

References

Exploit 1

Other 2

  • TI-2020-08697 Vesta Control Panel (VestaCP) through 0.9.8-26 allows Command Injection via the… CVSS 3.1HIGH 8.8
  • TI-2020-19083 VestaCP 0.9.8-26 - 'LoginAs' Insufficient Session Validation CVSS 4.0HIGH 8.7
  • TI-2015-03458 Vesta Control Panel before 0.9.8-14 allows remote authenticated users to execute… CVSS 3.0HIGH 8.8
  • TI-2021-09533 web/upload/UploadHandler.php in Vesta Control Panel (aka VestaCP) through 0.9.8-27 and… CVSS 3.1HIGH 8.8
  • TI-2019-09576 A directory traversal vulnerability in the v-list-user script in Vesta Control Panel… CVSS 3.0HIGH 8.8
  • TI-2020-08679 A remote command execution in Vesta Control Panel through 0.9.8-26 allows any… CVSS 3.1HIGH 8.8
See all 24 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences