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TI-2018-09626 Aliases CVE-2018-13389GHSA-frc2-fc33-2pfw

Improper input validation in Atlassian Confluence

Priority LOW 24CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA.

Summary

The attachment resource in Atlassian Confluence before version 6.6.1 allows remote attackers to spoof web content in the Mozilla Firefox Browser through attachments that have a content-type of application/rdf+xml.

Why it matters now

EPSS 0.00998 62nd percentileScored 2026-11-07
Fix Fixed Confluence (Atlassian): 6.6.1

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
AtlassianConfluencebefore 6.6.16.6.1Patch availableCNA
  • Confluence VendorAtlassian Affected before 6.6.1 Fixed in 6.6.1 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:atlassian:confluence:*:*:*:*:*:*:*:*before 6.6.1VulnerableAtlassian
  • cpe:2.3:a:atlassian:confluence:*:*:*:*:*:*:*:* Versions before 6.6.1 Vulnerable ·Atlassian

Remediation

  • Fix · CNA Confluence (Atlassian) Fixed in 6.6.1

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-13389
  2. 2026-10-03 Alias added: GHSA-frc2-fc33-2pfw

References

Patch 1

  • TI-2012-02540 Atlassian JIRA before 5.0.1; Confluence before 3.5.16, 4.0 before 4.0.7, and 4.1 before… CVSS 3.1CRITICAL 9.1
  • TI-2015-06919 Atlassian Confluence before 5.8.17 allows remote authenticated users to read… CVSS 3.0MEDIUM 4.3
  • TI-2019-02553 Server-side request forgery in Atlassian Confluence Server CVSS 3.0CRITICAL 9.8
  • TI-2019-02552 Path traversal in Atlassian Confluence Server CVSS 3.0HIGH 8.8
  • TI-2019-14640 Uncontrolled search path in Atlassian Confluence Data Center CVSS 3.1HIGH 7.8
  • TI-2019-11192 There was a man-in-the-middle (MITM) vulnerability present in the Confluence Previews… CVSS 3.1MEDIUM 6.5
See all 18 →

Sources

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