Skip to content
VulniPulse
High8.5Atlassian

High [CVE-2024-21678] Confluence Data Center: This High severity Stored XSS vulnerability was introduced in version 2.7.0 of Confluence Data Center.

This high-severity Atlassian advisory covers CVE-2024-21678 affecting Confluence Data Center, Confluence Server.

CVE-2024-21678 Published Feb 20, 2024Updated by vendor Jun 17, 2026
Affected products & platforms
AtlassianConfluence
Open vendor advisory

Android app · Google Play

Monitor future Atlassian CVEs from your phone.

Choose a whole vendor or a precise platform, then receive matching security advisories by phone notification, email, or both. Coverage follows 32 official vendor sources and 160+ reviewed platform categories.

Matching phone alertsOptional email delivery

Summary

This High severity Stored XSS vulnerability was introduced in version 2.7.0 of Confluence Data Center.

This Stored XSS vulnerability, with a CVSS Score of 8.5, allows an authenticated attacker to execute arbitrary HTML or JavaScript code on a victims browser which has high impact to confidentiality, low impact to integrity, no impact to availability, and requires no user interaction.

Atlassian recommends that Confluence Data Center customers upgrade to the latest version. If you are unable to do so, upgrade your instance to one of the specified supported fixed versions:

||Affected versions||Fixed versions|| |from 8.7.0 to 8.7.1|8.8.0 recommended or 8.7.2|

Server

See the release notes ([ ]). You can download the latest version of Confluence Data Center from the download center ([ ]).

This vulnerability was reported via our Bug Bounty program.

Affected products named by the advisory: Confluence Server.

Affected versions
  • 8.7.0
  • 8.6.0
  • 8.5.0
  • 8.4.0
  • 8.3.0
  • 8.2.0
  • 8.1.0
  • 8.0.0
  • 7.20.0
  • 7.19.0
  • 7.18.0
  • 7.17.0

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

No fixed release is recorded yet. That does not prove no patch exists — confirm against the vendor advisory.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation

The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Discussion(0)

No comments yet. Share field notes, upgrade gotchas, or questions — verify against the vendor advisory before acting on community advice.

Sign in to join the discussion.