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Vulnerability DatabaseCVE-2021-39111

CVE-2021-39111: 
JIRA vulnerability analysis and mitigation

Overview

The vulnerability (CVE-2021-39111) affects the Editor plugin in Atlassian Jira Server and Data Center. The vulnerability was discovered and disclosed in August 2021, affecting multiple versions of the software including versions before 8.5.18, from 8.6.0 before 8.13.10, and from version 8.14.0 before 8.18.2 (Atlassian Jira).

Technical details

This vulnerability is classified as a Cross-Site Scripting (XSS) vulnerability with a CVSS Score of 4.2 (Medium severity). The vulnerability exists in the handling of supplied content, particularly when content from sources such as PDFs is pasted into fields like the description field (Atlassian Jira).

Impact

The vulnerability allows remote attackers to inject arbitrary HTML or JavaScript through Cross-Site Scripting (XSS) when pasting content from external sources like PDFs into Jira fields (Atlassian Jira).

Mitigation and workarounds

Atlassian has released fixes for this vulnerability in versions 8.5.18, 8.13.10, 8.18.2, and 8.19.0. Users are advised to upgrade to these patched versions to mitigate the vulnerability (Atlassian Jira).

Additional resources

Source: This report was generated using AI

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