Home/CVE/Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to inject arbitrary HTML or
CVE

CVE-2021-41304

Affected versions of Atlassian Jira Server and Data Center allow anonymous remote attackers to inject arbitrary HTML or

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 /secure/admin/ImporterFinishedPage.jspa error message. The affected versions are before version 8.13.12, and from version 8.14.0 before 8.20.2.

MEDIUM · CVSS 6.1 EPSS 0.00389
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

4
atlassian data center< 8.13.12
atlassian jira< 8.13.12
atlassian jira data center>= 8.14.0 and < 8.20.2
atlassian jira server>= 8.14.0 and < 8.20.2
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.1 · security@atlassian.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 Oct 2021 · 05:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://jira.atlassian.com/browse/JRASERVER-72939Issue TrackingPatchVendor Advisory
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