Read the docs
TI-2021-02747 Aliases CVE-2021-3816GHSA-6gq5-766m-4c86

Cross-site scripting in Cacti

Priority LOW 25CWE-79Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

Cacti 1.1.38 allows authenticated users with User Management permissions to inject arbitrary HTML in the group_prefix field during the creation of a new group via "Copy" method at user_group_admin.php.

Why it matters now

EPSS 0.00533 45th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Cacti1.1.38—No fix listedCNA
  • Cacti Vendor— Affected 1.1.38 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cacti:cacti:1.1.38:*:*:*:*:*:*:*1.1.38VulnerableCacti
  • cpe:2.3:a:cacti:cacti:1.1.38:*:*:*:*:*:*:* Versions 1.1.38 Vulnerable ·Cacti

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-3816
  2. 2026-10-03 Alias added: GHSA-6gq5-766m-4c86

References

Advisory 1

  • TI-2022-22813 Unauthenticated command injection in cacti KEVCVSS 3.1CRITICAL 9.8
  • TI-2023-20500 Unauthenticated SQL Injection in graph_view.php in Cacti CVSS 3.1CRITICAL 9.8
  • TI-2024-16869 Cacti RCE vulnerability when importing packages CVSS 3.1CRITICAL 9.1
  • TI-2024-20809 SQL Injection vulnerability in automation_get_new_graphs_sql CVSS 3.1HIGH 8.8
  • TI-2023-26750 Cacti SQL Injection vulnerability CVSS 3.1HIGH 8.8
  • TI-2025-18110 Cacti allows Arbitrary File Creation leading to RCE CVSS 4.0HIGH 8.7
See all 151 →

Sources

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