What is CVE-2018-14383?

CVE-2018-14383 is a high-severity vulnerability in Ttpsc The Scheduler, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2019-08-07.

How severe is CVE-2018-14383?

High severity. CVSS v3 base score is 7.5 out of 10.

XXE in Ttpsc The Scheduler

CVE-2018-14383

The Transition Technologies "The Scheduler" app 5.1.3 for Jira allows XXE due to a weakly configured/parameterized XML parser. It was fixed in the versions 5.2.1 and 3.3.7

Vulnerability class: XXE (XML External Entity)

Published 2019-08-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.015 (73.0th percentile), scored 2026-10-02.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 73.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: 0.000

Affected products

Ttpsc The Scheduler — versions 5.1.3

Weakness classification (CWE)

CWE-611 — Improper Restriction of XML External Entity Reference (XXE)

References

marketplace.atlassian.com/apps/37456/the-scheduler (Third Party Advisory)
www.compass-security.com/fileadmin/Datein/Research/Advisories/CSNC-2018-022_jir… (Third Party Advisory)

Frequently asked questions

What is CVE-2018-14383?: CVE-2018-14383 is a high-severity vulnerability in Ttpsc The Scheduler, classified under Improper Restriction of XML External Entity Reference (XXE). CVSS score: 7.5/10. Published 2019-08-07.
How severe is CVE-2018-14383?: High severity. CVSS v3 base score is 7.5 out of 10.