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Type:
Public Security Vulnerability
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Resolution: Fixed
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Priority:
High
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Affects Version/s: 7.16.0, 7.17.0, 7.18.0, 7.19.0, 7.20.0, 8.0.0, 8.1.0, 8.2.0, 8.3.0, 8.4.0, 8.5.0, 8.6.0, 8.8.0, 8.7.1, 8.9.0, 8.9.1, 8.9.2, 8.9.3, 8.9.4, 9.1.0, 9.0.1, 8.9.5, 9.0.2, 9.0.3, 8.9.6, 8.9.7, 9.1.1, 8.9.8, 9.2.0, 9.2.1, 9.4.0, 9.3.1, 9.2.2, 9.3.2, 9.2.3, 9.4.1, 9.2.4, 9.2.5, 9.2.6, 9.5.1, 9.5.2, 9.5.3, 9.2.7, 10.1.0, 9.2.8, 10.0.2, 10.0.3, 9.5.4, 9.2.9, 10.1.1, 10.2.0, 9.2.10, 10.1.2, 9.2.11, 9.2.12, 10.2.1, 9.2.13, 10.2.2, 9.2.14, 10.2.3, 9.2.15, 10.2.6, 9.2.17, 10.2.7, 9.2.19, 10.2.10, 10.2.11, 9.2.20, 9.2.21, 10.2.13, 10.2.14, 9.2.22, 10.2.15, 9.2.23, 9.2.24, 10.2.16, 10.2.17, 9.2.25, 10.2.18
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Component/s: None
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7.1
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High
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CVE-2026-41845
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Atlassian (Internal)
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CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
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XSS (Cross Site Scripting)
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Confluence Data Center
This High severity XSS (Cross Site Scripting) vulnerability was introduced in versions 7.16.0, 7.17.0, 7.18.0, 7.19.0, 7.20.0, 8.0.0, 8.1.0, 8.2.0, 8.3.0, 8.4.0, 8.5.0, 8.6.0, 8.7.1, 8.8.0, 8.9.0, 9.0.1, 9.1.0, 9.2.0, 9.3.1, 9.4.0, 9.5.1, 10.0.2, 10.1.0, and 10.2.0 of Confluence Data Center.
This XSS (Cross Site Scripting) vulnerability, with a CVSS Score of 7.1 and a CVSS Vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N allows an unauthenticated attacker to expose assets in your environment susceptible to exploitation, which has high impact to confidentiality, low impact to integrity, no impact to availability, and requires user interaction.
Atlassian recommends that Confluence Data Center customers upgrade to latest version, if you are unable to do so, upgrade your instance to one of the specified supported fixed versions:
- Confluence Data Center 11.0: Upgrade to a release greater than or equal to 11.0.0
- Confluence Data Center 10.2: Upgrade to a release greater than or equal to 10.2.19
- Confluence Data Center 9.2: Upgrade to a release greater than or equal to 9.2.26
See the release notes (https://confluence.atlassian.com/doc/confluence-release-notes-327.html). You can download the
latest version of Confluence Data Center from the download center
(https://www.atlassian.com/software/confluence/download-archives).
The National Vulnerability Database provides the following description for this vulnerability:
Due to incorrect escaping, the use of JavaScriptUtils.javaScriptEscape() may lead to JavaScript code injection in the browser, potentially resulting in a cross-site scripting (XSS) vulnerability.
Affected versions:
Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.