CVE-2024-21686

At a glance

Severity: HIGH 7.3
EPSS: EPSS 0.89 % · percentile 59 (2026-10-27)
State: PUBLISHED
Published: 2024-07-16
Updated: 2025-03-19
Assigner: atlassian
NVD status: Modified

Description

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.

Scores

Version	Score	Vector	Scored by
CVSS 3.0	HIGH 7.3	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N	atlassian
CVSS 3.1	HIGH 8.7	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N	NVD · nvd@nist.gov (Primary)
CVSS 3.0	HIGH 7.3	CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N	NVD · security@atlassian.com (Secondary)

Weaknesses (CWE)

CWE-79

European references

ENISA EUVD · EUVD-2024-19302
GCVE · GCVE-0-2024-21686

CERT-FR advisories

CERTFR-2024-AVI-0590 — Multiples vulnérabilités dans les produits Atlassian · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* < 7.19.22
cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* ≥ 7.20.0 < 8.5.9
cpe:2.3:a:atlassian:confluence_data_center:*:*:*:*:*:*:*:* ≥ 8.6.0 < 8.9.1
cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* < 7.19.22
cpe:2.3:a:atlassian:confluence_server:*:*:*:*:*:*:*:* ≥ 7.20.0 < 8.5.9

Affected products

Product	Versions
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
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

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD