What is CVE-2019-17121?

CVE-2019-17121 is a medium-severity vulnerability in Vanderbilt Redcap, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-10-04.

How severe is CVE-2019-17121?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Vanderbilt Redcap

CVE-2019-17121

REDCap before 9.3.4 has XSS on the Customize & Manage Locking/E-signatures page via Lock Record Custom Text values.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-10-04 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (47.5th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 47.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Vanderbilt Redcap

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.evms.edu/research/resources_services/redcap/redcap_change_log/ (Third Party Advisory)

Frequently asked questions

What is CVE-2019-17121?: CVE-2019-17121 is a medium-severity vulnerability in Vanderbilt Redcap, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-10-04.
How severe is CVE-2019-17121?: Medium severity. CVSS v3 base score is 5.4 out of 10.