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CVE record · CVE-2024-21686

Cross-site scripting in Atlassian Confluence Data Center and others

CVSS 7.3 HighEPSS 0.0089 · 59th percentile

Published by the CVE Program (CNA: atlassian) at 16 Jul 2024, 20:00 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
Atlassian Confluence Data Center
  • affected 8.9.0
  • affected 8.8.0 to 8.8.1
  • affected 8.7.1 to 8.7.2
  • affected 8.6.0 to 8.6.2
  • affected 8.5.0 to 8.5.8
  • affected 8.4.0 to 8.4.5
  • affected 8.3.0 to 8.3.4
  • affected 8.2.0 to 8.2.3
  • affected 8.1.0 to 8.1.4
  • affected 8.0.0 to 8.0.4
  • affected 7.20.0 to 7.20.3
  • affected 7.19.0 to 7.19.21
  • and 3 more
Atlassian Confluence Server
  • affected 8.5.0 to 8.5.8
  • affected 8.4.0 to 8.4.5
  • affected 8.3.0 to 8.3.4
  • affected 8.2.0 to 8.2.3
  • affected 8.1.0 to 8.1.4
  • affected 8.0.0 to 8.0.4
  • affected 7.20.0 to 7.20.3
  • affected 7.19.0 to 7.19.21
  • unaffected 8.5.9 to 8.5.12
  • unaffected 7.19.22 to 7.19.25
Identifiers
CVE-2024-21686
CNA
atlassian
Weakness (CWE)
CWE-79
Tags
Published
16 Jul 2024
Updated
19 Mar 2025

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
7.3 High 3.0 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N CNA (atlassian)
  • CISA KEV Not listed.
  • EPSS 0.0089, the 59th percentile, on 6 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

This record came from the full history of the CVE Program, published 16 Jul 2024. New records show when each source confirmed them.

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.