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Cross-site scripting in Zammad

Priority LOW 30CWE-80Published · Updated

Key facts

Attack vector
Network
Privileges required
None
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 3.0 · NVD. Fix status from CNA. Impact type from CWE-80.

Summary

Zammad GmbH Zammad 2.3.0 and earlier is affected by: Cross Site Scripting (XSS) - CWE-80. The impact is: Execute java script code on users browser. The component is: web app. The attack vector is: the victim must open a ticket. The fixed version is: 2.3.1, 2.2.2 and 2.1.3.

Why it matters now

EPSS 0.01257 69th 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
Zammad GmbHZammad≤ 2.3.0 [fixed: 2.3.1; 2.2.2 and 2.1.3]—No fix listedCNA
  • Zammad VendorZammad GmbH Affected ≤ 2.3.0 [fixed: 2.3.1; 2.2.2 and 2.1.3] Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:*2.1.0 – 2.1.2; 2.2.0 – 2.2.1VulnerableZammad GmbH
cpe:2.3:a:zammad:zammad:2.3.0:*:*:*:*:*:*:*2.3.0VulnerableZammad GmbH
  • cpe:2.3:a:zammad:zammad:*:*:*:*:*:*:*:* Versions 2.1.0 – 2.1.2; 2.2.0 – 2.2.1 Vulnerable ·Zammad GmbH
  • cpe:2.3:a:zammad:zammad:2.3.0:*:*:*:*:*:*:* Versions 2.3.0 Vulnerable ·Zammad GmbH

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-1010018
  2. 2026-10-03 Alias added: GHSA-qhqc-h6cg-hx9p

References

  • TI-2026-65406 Local privilege escalation in Zammad v1.5.0 to v7.2.2 installed via DEB or RPM package KEVCVSS 4.0CRITICAL 9.4
  • TI-2026-65405 Undisclosed RCE in Zammad v6.3 and higher KEVCVSS 4.0CRITICAL 9.4
  • TI-2024-22252 An issue was discovered in Zammad before 6.3.0. CVSS 3.1CRITICAL 9.1
  • TI-2022-23785 A vulnerability in Zammad v5.3.0 allows attackers to execute arbitrary code or escalate… CVSS 3.1CRITICAL 9.8
  • TI-2021-18599 An issue was discovered in Zammad before 4.1.1. CVSS 3.1CRITICAL 9.8
  • TI-2021-18603 An issue was discovered in Zammad before 4.1.1. CVSS 3.1CRITICAL 9.8
See all 91 →

Sources