CVE-2024-21686

HIGH EPSS 54.9%
Published Jul 16, 20241y ago · Modified Jun 17, 20262w ago
8.7 CVSS 3.1
High
Find Similar
Published Jul 16, 2024 1y ago
Last Modified Jun 17, 2026 2w ago

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 Details

Base Score
8.7
Exploitability
2.3
Impact
5.8
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Changed
Confidentiality High
Integrity High
Availability None

Threat Intelligence

EPSS Exploit Probability
54.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 5

VendorProductVersionRange
atlassianconfluence_data_center* <7.19.22
atlassianconfluence_data_center*≥7.20.0  –  <8.5.9
atlassianconfluence_data_center*≥8.6.0  –  <8.9.1
atlassianconfluence_server* <7.19.22
atlassianconfluence_server*≥7.20.0  –  <8.5.9

References 2

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.