What’s Vulnerable › Vulnerabilities

CVE-2021-41310

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-11-01 · updated 2026-06-17
• Weakness: CWE-79

Description

Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to inject arbitrary HTML or JavaScript via a Cross-Site Scripting (XSS) vulnerability in the Associated Projects feature (/secure/admin/AssociatedProjectsForCustomField.jspa). The affected versions are before version 8.5.19, from version 8.6.0 before 8.13.11, and from version 8.14.0 before 8.19.1.

Affected products

• Atlassian Jira Software Data Center: before 8.5.19; from 8.6.0 before 8.13.11; from 8.14.0 before 8.19.1 — fixed in 8.13.11, 8.19.1, 8.5.19

How to fix

Upgrade to a fixed version: Atlassian Jira Software Data Center 8.13.11, 8.19.1, 8.5.19. Check the vendor advisory for mitigations.

References

• https://jira.atlassian.com/browse/JRASERVER-72800
• https://jira.atlassian.com/browse/JRASERVER-72800

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