CVE-2024-21686
This High severity Stored XSS vulnerability was introduced in versions 7.13 of Confluence Data Center and Server.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.89%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.7 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
- EPSS
- 0.89% probability · 57th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- atlassian/confluence data center · atlassian/confluence server
- Source
- security@atlassian.com
References
- https://confluence.atlassian.com/pages/viewpage.action?pageId=1417150917Vendor Advisory
- https://jira.atlassian.com/browse/CONFSERVER-96134Issue Tracking
- https://confluence.atlassian.com/pages/viewpage.action?pageId=1417150917Vendor Advisory
- https://jira.atlassian.com/browse/CONFSERVER-96134Issue Tracking
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.