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TI-2020-18554 Aliases CVE-2020-36234GHSA-r7f3-7vg8-6678

Cross-site scripting in Atlassian Jira Server

Priority LOW 24CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

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

Summary

Affected versions of Atlassian Jira Server and Data Center allow remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability in the Screens Modal view. The affected versions are before version 8.5.11, from version 8.6.0 before 8.13.3, and from version 8.14.0 before 8.15.0.

Why it matters now

EPSS 0.01051 64th percentileScored 2026-11-07
Fix Fixed Jira Server (Atlassian): 8.5.11, 8.13.3, 8.15.0Jira Data Center (Atlassian): 8.5.11, 8.13.3, 8.15.0

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AtlassianJira Serverbefore 8.5.11; 8.6.0 and later; before 8.13.3; 8.14.0 and later; before 8.15.08.5.11, 8.13.3, 8.15.0Patch availableCNA
AtlassianJira Data Centerbefore 8.5.11; 8.6.0 and later; before 8.13.3; 8.14.0 and later; before 8.15.08.5.11, 8.13.3, 8.15.0Patch availableCNA
  • Jira Server VendorAtlassian Affected before 8.5.11; 8.6.0 and later; before 8.13.3; 8.14.0 and later; before 8.15.0 Fixed in 8.5.11, 8.13.3, 8.15.0 Patch available CNA
  • Jira Data Center VendorAtlassian Affected before 8.5.11; 8.6.0 and later; before 8.13.3; 8.14.0 and later; before 8.15.0 Fixed in 8.5.11, 8.13.3, 8.15.0 Patch available CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:*before 8.5.11; 8.6.0 to before 8.13.3VulnerableAtlassian
cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:*before 8.5.11VulnerableAtlassian
cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:*8.14.0 to before 8.15.0VulnerableAtlassian
cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:*8.6.0 to before 8.13.3; 8.14.0 to before 8.15.0VulnerableAtlassian
  • cpe:2.3:a:atlassian:data_center:*:*:*:*:*:*:*:* Versions before 8.5.11; 8.6.0 to before 8.13.3 Vulnerable ·Atlassian
  • cpe:2.3:a:atlassian:jira:*:*:*:*:*:*:*:* Versions before 8.5.11 Vulnerable ·Atlassian
  • cpe:2.3:a:atlassian:jira_data_center:*:*:*:*:*:*:*:* Versions 8.14.0 to before 8.15.0 Vulnerable ·Atlassian
  • cpe:2.3:a:atlassian:jira_server:*:*:*:*:*:*:*:* Versions 8.6.0 to before 8.13.3; 8.14.0 to before 8.15.0 Vulnerable ·Atlassian

Remediation

  • Fix · CNA Jira Server (Atlassian) Fixed in 8.5.11, 8.13.3, 8.15.0
  • Fix · CNA Jira Data Center (Atlassian) Fixed in 8.5.11, 8.13.3, 8.15.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-36234
  2. 2026-10-03 Alias added: GHSA-r7f3-7vg8-6678

References

  • TI-2020-18587 Incorrect authorization in Atlassian Jira Server CVSS 3.1MEDIUM 5.3
  • TI-2020-11107 Information disclosure in Atlassian Jira Server CVSS 3.1MEDIUM 5.3
  • TI-2021-16503 Insufficient session expiration in Atlassian Jira Server CVSS 3.1HIGH 7.5
  • TI-2017-13320 Code injection in Atlassian Jira Server CVSS 3.1HIGH 8.8
  • TI-2020-17687 Path traversal in Atlassian Jira Server CVSS 3.1MEDIUM 5.3
  • TI-2021-16512 Affected versions of Atlassian Jira Server and Data Center allow unauthenticated remote… CVSS 3.1HIGH 7.5
See all 37 →

Sources