What is CVE-2019-20221?

CVE-2019-20221 is a medium-severity vulnerability in Sitracker Support Incident Tracker, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-01-02.

How severe is CVE-2019-20221?

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

XSS in Sitracker Support Incident Tracker

CVE-2019-20221

In Support Incident Tracker (SiT!) 3.67, Load Plugins input in the config.php page is affected by XSS. The XSS payload is, for example, executed on the about.php page.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-01-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.0th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 50th percentile — 50.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Sitracker Support Incident Tracker — versions 3.67

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

fatihhcelik.blogspot.com/2019/12/support-incident-tracker-xss-in-plugin.html (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2019-20221?: CVE-2019-20221 is a medium-severity vulnerability in Sitracker Support Incident Tracker, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-01-02.
How severe is CVE-2019-20221?: Medium severity. CVSS v3 base score is 6.1 out of 10.