vulnerability

Atlassian Confluence: CVE-2024-21678: Improper Neutralization of Input During Web Page Generation

Severity
8
CVSS
(AV:N/AC:L/Au:S/C:C/I:P/A:N)
Published
Feb 20, 2024
Added
May 8, 2025
Modified
Jun 12, 2025

Description

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.
Data Center

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|
|from 8.6.0 to 8.6.1|8.8.0 recommended|
|from 8.5.0 to 8.5.4 LTS|8.8.0 recommended or 8.5.5 LTS or 8.5.6 LTS|
|from 8.4.0 to 8.4.5|8.8.0 recommended or 8.5.6 LTS|
|from 8.3.0 to 8.3.4|8.8.0 recommended or 8.5.6 LTS|
|from 8.2.0 to 8.2.3|8.8.0 recommended or 8.5.6 LTS|
|from 8.1.0 to 8.1.4|8.8.0 recommended or 8.5.6 LTS|
|from 8.0.0 to 8.0.4|8.8.0 recommended or 8.5.6 LTS|
|from 7.20.0 to 7.20.3|8.8.0 recommended or 8.5.6 LTS|
|from 7.19.0 to 7.19.17 LTS|8.8.0 recommended or 8.5.6 LTS or 7.19.18 LTS or 7.19.19 LTS|
|from 7.18.0 to 7.18.3|8.8.0 recommended or 8.5.6 LTS or 7.19.19 LTS|
|from 7.17.0 to 7.17.5|8.8.0 recommended or 8.5.6 LTS or 7.19.19 LTS|
|Any earlier versions|8.8.0 recommended or 8.5.6 LTS or 7.19.19 LTS|
Server

Atlassian recommends that Confluence Server customers upgrade to the latest 8.5.x LTS version. If you are unable to do so, upgrade your instance to one of the specified supported fixed versions:

||Affected versions||Fixed versions||
|from 8.5.0 to 8.5.4 LTS|8.5.5 LTS or 8.5.6 LTS recommended |
|from 8.4.0 to 8.4.5|8.5.6 LTS recommended|
|from 8.3.0 to 8.3.4|8.5.6 LTS recommended|
|from 8.2.0 to 8.2.3|8.5.6 LTS recommended|
|from 8.1.0 to 8.1.4|8.5.6 LTS recommended|
|from 8.0.0 to 8.0.4|8.5.6 LTS recommended|
|from 7.20.0 to 7.20.3|8.5.6 LTS recommended|
|from 7.19.0 to 7.19.17 LTS|8.5.6 LTS recommended or 7.19.18 LTS or 7.19.19 LTS|
|from 7.18.0 to 7.18.3|8.5.6 LTS recommended or 7.19.19 LTS|
|from 7.17.0 to 7.17.5|8.5.6 LTS recommended or 7.19.19 LTS|
|Any earlier versions|8.5.6 LTS recommended or 7.19.19 LTS|

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

This vulnerability was reported via our Bug Bounty program.

Solution

atlassian-confluence-update-latest
Title
NEW

Explore Exposure Command

Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.