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CVE-2021-41304

MEDIUM
6.1
CVSS Score
Published: October 26, 2021 at 04:15 AM UTC
Updated: June 17, 2026 at 04:08 AM UTC
4 products affected across 1 vendorJira ServerJiraJira Data Center

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Severity
MEDIUM6.1
Exploit prediction
EPSS 0.9%
SSVC
No known exploit

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 /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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Data Center· Atlassianatlassian-app
95%
v < 8.13.12
Affected range stops below 8.13.12, so it looks safe — our inference, not a vendor statement
Jira· Atlassianatlassian-app
95%
v < 8.13.12
Affected range stops below 8.13.12, so it looks safe — our inference, not a vendor statement
Jira Data Center· Atlassianatlassian-app
95%
v ≥ 8.14.0v < 8.13.12v < 8.20.28.14.0 ≤ v < 8.20.28.14.0
Affected range stops below 8.13.12, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.20.2, so it looks safe — our inference, not a vendor statement
Jira Server· Atlassianatlassian-app
95%
v ≥ 8.14.0v < 8.13.12v < 8.20.28.14.0 ≤ v < 8.20.28.14.0
Affected range stops below 8.13.12, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.20.2, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCIssue TrackingPatchVendor Advisory
Source: [email protected]
https://jira.atlassian.com/browse/JRASERVER-72939

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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