CVE-2021-26078

The number range searcher component in Jira Server and Jira Data Center before version 8.5.14, from version 8.6.0 before version 8.13.6, and from version 8.14.0 before version 8.16.1 allows remote attackers inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability.

• CWE-79

• http://packetstormsecurity.com/files/163289/Atlassian-Jira-Server-Data-Center-8.16.0-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
• https://jira.atlassian.com/browse/JRASERVER-72392Patch, Vendor Advisory
• http://packetstormsecurity.com/files/163289/Atlassian-Jira-Server-Data-Center-8.16.0-Cross-Site-Scripting.htmlExploit, Third Party Advisory, VDB Entry
• https://jira.atlassian.com/browse/JRASERVER-72392Patch, Vendor Advisory

Published

Jun 7, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

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