CVE-2024-21690

HIGH

8.2

CVSS Score

Published: August 21, 2024 at 04:05 PM UTC

Updated: June 17, 2026 at 07:09 AM UTC

2 products affected across 1 vendorConfluence ServerConfluence Data Center

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Severity

HIGH8.2

Exploit prediction

EPSS 0.7%

SSVC

No known exploit

Description

This High severity Reflected XSS and CSRF (Cross-Site Request Forgery) vulnerability was introduced in versions 7.19.0, 7.20.0, 8.0.0, 8.1.0, 8.2.0, 8.3.0, 8.4.0, 8.5.0, 8.6.0, 8.7.1, 8.8.0, and 8.9.0 of Confluence Data Center and Server. This Reflected XSS and CSRF (Cross-Site Request Forgery) vulnerability, with a CVSS Score of 7.1, allows an unauthenticated attacker to execute arbitrary HTML or JavaScript code on a victims browser and force a end user to execute unwanted actions on a web application in which they're currently authenticated which has high impact to confidentiality, low 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: * Confluence Data Center and Server 7.19: Upgrade to a release greater than or equal to 7.19.26 * Confluence Data Center and Server 8.5: Upgrade to a release greater than or equal to 8.5.14 * Confluence Data Center and Server 9.0: Upgrade to a release greater than or equal to 9.0.1 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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Confluence Data Center · Atlassianatlassian-app

95%

7.19.0 ≤ v ≤ 7.19.257.20.0 ≤ v ≤ 7.20.38.0.0 ≤ v ≤ 8.0.48.1.0 ≤ v ≤ 8.1.48.2.0 ≤ v ≤ 8.2.38.3.0 ≤ v ≤ 8.3.48.4.0 ≤ v ≤ 8.4.58.5.0 ≤ v ≤ 8.5.128.6.0 ≤ v ≤ 8.6.28.7.1 ≤ v ≤ 8.7.28.8.0 ≤ v ≤ 8.8.18.9.0 ≤ v ≤ 8.9.48.9.0 ≤ v ≤ 8.9.5

Vendor states this is fixed in 7.19.26 (unaffected)

Vendor states this is fixed in 8.5.14 (unaffected)

Vendor states this is fixed in 9.0.1 to 9.0.2 (unaffected)

Confluence Server · Atlassianatlassian-app

95%