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TI-2020-12557 Aliases CVE-2020-15944GHSA-3hw8-h4fg-g6wr

An issue was discovered in the Gantt-Chart module before 5.5.5 for Jira.

Priority LOW 27CWE-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

An issue was discovered in the Gantt-Chart module before 5.5.5 for Jira. Due to missing validation of user input, it is vulnerable to a persistent XSS attack. An attacker can embed the attack vectors in the dashboard of other users. To exploit this vulnerability, an attacker has to be authenticated.

Why it matters now

EPSS 0.01348 71st percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gantt-chart_project:gantt-chart:*:*:*:*:*:jira:*:*before 5.5.5VulnerableGantt-chart Project
  • cpe:2.3:a:gantt-chart_project:gantt-chart:*:*:*:*:*:jira:*:* Versions before 5.5.5 Vulnerable ·Gantt-chart Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-15944
  2. 2026-10-03 Alias added: GHSA-3hw8-h4fg-g6wr

References

Exploit 3

Advisory 1

  • TI-2020-12556 An issue was discovered in the Gantt-Chart module before 5.5.4 for Jira. CVSS 3.1HIGH 8.1

Sources

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