What is CVE-2017-18100?

CVE-2017-18100 is a medium-severity vulnerability in Atlassian Jira, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-04-10.

How severe is CVE-2017-18100?

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

XSS in Atlassian Jira

CVE-2017-18100

The agile wallboard gadget in Atlassian Jira before version 7.8.1 allows remote attackers to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability in the name of quick filters.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-04-10 · 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: 0.009 (58.0th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 58.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: -0.000

Affected products

Atlassian Jira

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

jira.atlassian.com/browse/JRASERVER-67106 (Issue Tracking, Vendor Advisory)
www.securityfocus.com/bid/103729 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2017-18100?: CVE-2017-18100 is a medium-severity vulnerability in Atlassian Jira, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-04-10.
How severe is CVE-2017-18100?: Medium severity. CVSS v3 base score is 6.1 out of 10.