What is CVE-2019-3402?

CVE-2019-3402 is a medium-severity vulnerability in Atlassian Jira, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-05-22.

How severe is CVE-2019-3402?

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

Is CVE-2019-3402 known to be exploited?

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

XSS in Atlassian Jira

CVE-2019-3402

The ConfigurePortalPages.jspa resource in Jira before version 7.13.3 and from version 8.0.0 before version 8.1.1 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the searchOwnerUserName parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-05-22 · last modified 2026-06-17.

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.

EPSS exploit prediction

EPSS: 0.089 (95.1th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 95.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.089 · newest: 0.089 · change: 0.000

Affected products

Atlassian Jira — versions unspecified, 8.0.0, unspecified
Atlassian Jira Server

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

jira.atlassian.com/browse/JRASERVER-69243 (Issue Tracking, Vendor Advisory)

Frequently asked questions

What is CVE-2019-3402?: CVE-2019-3402 is a medium-severity vulnerability in Atlassian Jira, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-05-22.
How severe is CVE-2019-3402?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2019-3402 known to be exploited?: 17 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.