What is CVE-2018-5230?

CVE-2018-5230 is a medium-severity vulnerability in Atlassian Jira, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-05-14.

How severe is CVE-2018-5230?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2018-5230 known to be exploited?

15 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Atlassian Jira

CVE-2018-5230

The issue collector in Atlassian Jira before version 7.6.6, from version 7.7.0 before version 7.7.4, from version 7.8.0 before version 7.8.4 and from version 7.9.0 before version 7.9.2 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the error message of custom fields when an invalid value is specified.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.376 (98.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Atlassian Jira — versions unspecified, 7.7.0, unspecified
Atlassian Jira_server

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

security@atlassian.com (x_refsource_CONFIRM, Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2018-5230?: CVE-2018-5230 is a medium-severity vulnerability in Atlassian Jira, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-05-14.
How severe is CVE-2018-5230?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2018-5230 known to be exploited?: 15 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.