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TI-2017-12402 Aliases CVE-2017-16856GHSA-7x5g-hwfp-5cwv

Cross-site scripting in Atlassian Confluence

Priority LOW 29CWE-79Published · 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-79.

Summary

The RSS Feed macro in Atlassian Confluence before version 6.5.2 allows remote attackers to inject arbitrary HTML or JavaScript via cross site scripting (XSS) vulnerabilities in various rss properties which were used as links without restriction on their scheme.

Why it matters now

EPSS 0.00809 57th 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
AtlassianConfluenceAll versions prior to version 6.5.2—No fix listedCNA
  • Confluence VendorAtlassian Affected All versions prior to version 6.5.2 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:atlassian:confluence:*:*:*:*:*:*:*:*before 6.5.2VulnerableAtlassian
  • cpe:2.3:a:atlassian:confluence:*:*:*:*:*:*:*:* Versions before 6.5.2 Vulnerable ·Atlassian

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-16856
  2. 2026-10-03 Alias added: GHSA-7x5g-hwfp-5cwv

References

Advisory 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