What is CVE-2017-18093?

CVE-2017-18093 is a medium-severity vulnerability in Atlassian Crucible, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2018-02-19.

How severe is CVE-2017-18093?

Medium severity. CVSS v3 base score is 4.8 out of 10.

XSS in Atlassian Crucible

CVE-2017-18093

Various resources in Atlassian Fisheye and Crucible before version 4.4.3 (the fixed version for 4.4.x) and before 4.5.0 allow remote attackers who have permission to add or modify a repository to inject arbitrary HTML or JavaScript via a cross site scripting (XSS) vulnerability through the location setting of a configured repository.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-02-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (56.4th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Atlassian Crucible
Atlassian Fisheye
Atlassian Fisheye And Crucible — versions prior to 4.5.0, prior to 4.4.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.securityfocus.com/bid/103095 (VDB Entry, Third Party Advisory, vdb-entry)
jira.atlassian.com/browse/CRUC-8175 (Vendor Advisory)
jira.atlassian.com/browse/FE-7008 (Vendor Advisory)

Frequently asked questions

What is CVE-2017-18093?: CVE-2017-18093 is a medium-severity vulnerability in Atlassian Crucible, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2018-02-19.
How severe is CVE-2017-18093?: Medium severity. CVSS v3 base score is 4.8 out of 10.