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Public Security Vulnerability
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Resolution: Fixed
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High
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7.19.0, 8.5.0, 8.9.0
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None
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7.3
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High
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CVE-2024-21686
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Bug Bounty
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CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
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Stored XSS
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Confluence Data Center, Confluence Server
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:
Data Center
Atlassian recommends that Confluence Data Center customers upgrade to the latest version. If you are unable to do so, upgrade your instance to one of the specified supported fixed versions:
| Affected versions | Fixed versions |
|---|---|
| 8.9.0 | 8.9.1 |
| from 8.8.0 to 8.8.1 | 8.9.1 |
| from 8.7.0 to 8.7.2 | 8.9.1 |
| from 8.6.0 to 8.6.2 | 8.9.1 |
| from 8.5.0 to 8.5.8 LTS | 8.9.1 or 8.5.9 LTS recommended |
| from 8.4.0 to 8.4.5 | 8.9.1 or 8.5.9 LTS recommended |
| from 8.3.0 to 8.3.4 | 8.9.1 or 8.5.9 LTS recommended |
| from 8.2.0 to 8.2.3 | 8.9.1 or 8.5.9 LTS recommended |
| from 8.1.0 to 8.1.4 | 8.9.1 or 8.5.9 LTS recommended |
| from 8.0.0 to 8.0.4 | 8.9.1 or 8.5.9 LTS recommended |
| from 7.20.0 to 7.20.3 | 8.9.1 or 8.5.9 LTS recommended |
| from 7.19.0 to 7.19.21 LTS | 8.9.1 or 8.5.9 LTS recommended or 7.19.22 LTS |
| from 7.18.0 to 7.18.3 | 8.9.1 or 8.5.9 LTS recommended or 7.19.22 LTS |
| from 7.17.0 to 7.17.5 | 8.9.1 or 8.5.9 LTS recommended or 7.19.22 LTS |
| Any earlier versions | 8.9.1 or 8.5.9 LTS recommended or 7.19.22 LTS |
Server
Atlassian recommends that Confluence Server customers upgrade to the latest version. If you are unable to do so, upgrade your instance to one of the specified supported fixed versions:
| Affected versions | Fixed versions |
|---|---|
| from 8.5.0 to 8.5.8 LTS | 8.5.9 LTS recommended |
| from 8.4.0 to 8.4.5 | 8.5.9 LTS recommended |
| from 8.3.0 to 8.3.4 | 8.5.9 LTS recommended |
| from 8.2.0 to 8.2.3 | 8.5.9 LTS recommended |
| from 8.1.0 to 8.1.4 | 8.5.9 LTS recommended |
| from 8.0.0 to 8.0.4 | 8.5.9 LTS recommended |
| from 7.20.0 to 7.20.3 | 8.5.9 LTS recommended |
| from 7.19.0 to 7.19.21 LTS | 8.5.9 LTS recommended or 7.19.22 LTS |
| from 7.18.0 to 7.18.3 | 8.5.9 LTS recommended or 7.19.22 LTS |
| from 7.17.0 to 7.17.5 | 8.5.9 LTS recommended or 7.19.22 LTS |
| Any earlier versions | 8.5.9 LTS recommended or 7.19.22 LTS |
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.