Stored XSS in Atlassian Confluence DC/Server 7.13
CVE-2024-21686 Published on July 16, 2024
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.
Weakness Type
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2024-21686 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2024-21686
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Affected Versions
Atlassian Confluence Data Center:- Version 8.9.0 is affected.
- Version 8.8.0 to 8.8.1 is affected.
- Version 8.7.1 to 8.7.2 is affected.
- Version 8.6.0 to 8.6.2 is affected.
- Version 8.5.0 to 8.5.8 is affected.
- Version 8.4.0 to 8.4.5 is affected.
- Version 8.3.0 to 8.3.4 is affected.
- Version 8.2.0 to 8.2.3 is affected.
- Version 8.1.0 to 8.1.4 is affected.
- Version 8.0.0 to 8.0.4 is affected.
- Version 7.20.0 to 7.20.3 is affected.
- Version 7.19.0 to 7.19.21 is affected.
- Version 8.9.1 to 8.9.4 is unaffected.
- Version 8.5.9 to 8.5.12 is unaffected.
- Version 7.19.22 to 7.19.25 is unaffected.
- Version 8.5.0 to 8.5.8 is affected.
- Version 8.4.0 to 8.4.5 is affected.
- Version 8.3.0 to 8.3.4 is affected.
- Version 8.2.0 to 8.2.3 is affected.
- Version 8.1.0 to 8.1.4 is affected.
- Version 8.0.0 to 8.0.4 is affected.
- Version 7.20.0 to 7.20.3 is affected.
- Version 7.19.0 to 7.19.21 is affected.
- Version 8.5.9 to 8.5.12 is unaffected.
- Version 7.19.22 to 7.19.25 is unaffected.
- Version 8.9.0 is affected.
- Version 8.8.0, <= 8.8.1 is affected.
- Version 8.7.1, <= 8.7.2 is affected.
- Version 8.6.0, <= 8.6.2 is affected.
- Version 8.5.0, <= 8.5.8 is affected.
- Version 8.4.0, <= 8.4.5 is affected.
- Version 8.3.0, <= 8.3.4 is affected.
- Version 8.2.0, <= 8.2.3 is affected.
- Version 8.1.0, <= 8.1.4 is affected.
- Version 8.0.0, <= 8.0.4 is affected.
- Version 7.20.0, <= 7.20.3 is affected.
- Version 7.19.0, <= 7.19.21 is affected.
- Version 8.9.1, <= 8.9.4 is affected.
- Version 8.5.9, <= 8.5.12 is affected.
- Version 7.19.22, <= 7.19.25 is affected.
- Version 8.5.0, <= 8.5.8 is affected.
- Version 8.4.0, <= 8.4.5 is affected.
- Version 8.3.0, <= 8.3.4 is affected.
- Version 8.2.0, <= 8.2.3 is affected.
- Version 8.1.0, <= 8.1.4 is affected.
- Version 8.0.0, <= 8.0.4 is affected.
- Version 7.20.0, <= 7.20.3 is affected.
- Version 7.19.0, <= 7.19.21 is affected.
- Version 8.5.9, <= 8.5.12 is affected.
- Version 7.19.22, <= 7.19.25 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.