Vulnerability · Published Jul 16, 2024 · Assigned by atlassian

CVE-2024-21686

High 7.3

In plain English

A high-severity cross-site scripting in Confluence Data Center from Atlassian. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).

Severity (CVSS 3.0)7.3High
Exploit odds (30 days)0.9%top 40.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Atlassian Confluence Data Center 8.9.08.8.0 to 8.8.18.7.1 to 8.7.28.6.0 to 8.6.28.5.0 to 8.5.88.4.0 to 8.4.58.3.0 to 8.3.48.2.0 to 8.2.3
Atlassian Confluence Server 8.5.0 to 8.5.88.4.0 to 8.4.58.3.0 to 8.3.48.2.0 to 8.2.38.1.0 to 8.1.48.0.0 to 8.0.47.20.0 to 7.20.37.19.0 to 7.19.21

Weakness: CWE-79 · Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N

References