CVE-2024-21686

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.

Category

8.7
CVSS
Severity: High
CVSS 3.1 •
CVSS 3.0 •
EPSS 0.28%
Vendor Advisory atlassian.com
Affected: Atlassian Confluence Data Center
Affected: Atlassian Confluence Server
Published at:
Updated at:

References

Link Tags
https://confluence.atlassian.com/pages/viewpage.action?pageId=1417150917 vendor advisory
https://jira.atlassian.com/browse/CONFSERVER-96134 issue tracking

Frequently Asked Questions

What is the severity of CVE-2024-21686?
CVE-2024-21686 has been scored as a high severity vulnerability.
How to fix CVE-2024-21686?
To fix CVE-2024-21686, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2024-21686 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2024-21686 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2024-21686?
CVE-2024-21686 affects Atlassian Confluence Data Center, Atlassian Confluence Server.
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