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.

The version of Atlassian Confluence Server running on the remote host is affected by a vulnerability as referenced in the CONFSERVER-96134 advisory.

  - 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. (CVE-2024-21686)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

According to its self-reported version number, the Atlassian Confluence application running on the remote host is prior to 7.19.22, 7.20.x prior to 8.5.9 or 8.6.x prior to 8.9.1. It is, therefore, affected by a stored Cross-Site Scripting (XSS) vulnerability.

Note that the scanner has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
202700	Atlassian Confluence < 7.19.22 / 7.20.x < 8.5.9 / 8.6.x < 8.9.1 XSS (CONFSERVER-96134)	Nessus	CGI abuses : XSS	high
114379	Atlassian Confluence 8.6.x < 8.9.1 Cross-Site Scripting	Web App Scanning	Component Vulnerability	high
114378	Atlassian Confluence 7.20.x < 8.5.9 Cross-Site Scripting	Web App Scanning	Component Vulnerability	high
114377	Atlassian Confluence < 7.19.22 Cross-Site Scripting	Web App Scanning	Component Vulnerability	high

Detections

Analytics

CVE-2024-21686

high

Tenable Plugins

high

high

high

high