CVE-2024-21686: XSS
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.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2024-21686?
CVE-2024-21686 has a high severity rating with a CVSS Score of 7.3.
How do I fix CVE-2024-21686?
To address CVE-2024-21686, it is recommended to upgrade Confluence Data Center and Server to a version later than 7.13.
Who is affected by CVE-2024-21686?
CVE-2024-21686 affects users of Confluence Data Center and Server version 7.13.
What type of vulnerability is CVE-2024-21686?
CVE-2024-21686 is a Stored Cross-Site Scripting (XSS) vulnerability.
What can an attacker do in CVE-2024-21686?
An attacker exploiting CVE-2024-21686 can execute arbitrary HTML or JavaScript code in a victim's browser.