CVE-2024-21686

Summary

This High severity Stored XSS vulnerability was introduced in versions 7.13 of Confluence Data Center and Server.

This Stored XSS vulnerability, with a CVSS Score of 7.3, allows an authenticated attacker to execute arbitrary HTML or JavaScript code on a victims browser which has high impact to confidentiality, high impact to integrity, no impact to availability, and requires user interaction.

Atlassian recommends that Confluence Data Center and Server customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions listed on this CVE

See the release notes (https://confluence.atlassian.com/doc/confluence-release-notes-327.html). You can download the latest version of Confluence Data Center and Server from the download center (https://www.atlassian.com/software/confluence/download-archives).

This vulnerability was reported via our Bug Bounty program.

Affected Software

VendorProductVersion RangeStatus
AtlassianConfluence Data Center8.9.0affected
AtlassianConfluence Data Center8.8.0 to 8.8.1affected
AtlassianConfluence Data Center8.7.1 to 8.7.2affected
AtlassianConfluence Data Center8.6.0 to 8.6.2affected
AtlassianConfluence Data Center8.5.0 to 8.5.8affected
AtlassianConfluence Data Center8.4.0 to 8.4.5affected
AtlassianConfluence Data Center8.3.0 to 8.3.4affected
AtlassianConfluence Data Center8.2.0 to 8.2.3affected
AtlassianConfluence Data Center8.1.0 to 8.1.4affected
AtlassianConfluence Data Center8.0.0 to 8.0.4affected
AtlassianConfluence Data Center7.20.0 to 7.20.3affected
AtlassianConfluence Data Center7.19.0 to 7.19.21affected
AtlassianConfluence Data Center8.9.1 to 8.9.4unaffected
AtlassianConfluence Data Center8.5.9 to 8.5.12unaffected
AtlassianConfluence Data Center7.19.22 to 7.19.25unaffected
AtlassianConfluence Server8.5.0 to 8.5.8affected
AtlassianConfluence Server8.4.0 to 8.4.5affected
AtlassianConfluence Server8.3.0 to 8.3.4affected
AtlassianConfluence Server8.2.0 to 8.2.3affected
AtlassianConfluence Server8.1.0 to 8.1.4affected
AtlassianConfluence Server8.0.0 to 8.0.4affected
AtlassianConfluence Server7.20.0 to 7.20.3affected
AtlassianConfluence Server7.19.0 to 7.19.21affected
AtlassianConfluence Server8.5.9 to 8.5.12unaffected
AtlassianConfluence Server7.19.22 to 7.19.25unaffected

Weaknesses

  • Stored XSS

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: total

References