What is CVE-2019-9838?

CVE-2019-9838 is a medium-severity vulnerability in Vfront, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-06-03.

How severe is CVE-2019-9838?

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

XSS in Vfront

CVE-2019-9838

VFront 0.99.5 has stored XSS via the admin/sync_reg_tab.php azzera parameter, which is mishandled during admin/error_log.php rendering.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-06-03 · 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: 0.011 (64.3th percentile), scored 2026-10-25.

Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Vfront — versions 0.99.5

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.netsparker.com/web-applications-advisories/ (Exploit, Third Party Advisory)
packetstormsecurity.com/files/153104/VFront-0.99.5-Persistent-Cross-Site-Script… (Exploit, VDB Entry, Third Party Advisory)

Frequently asked questions

What is CVE-2019-9838?: CVE-2019-9838 is a medium-severity vulnerability in Vfront, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2019-06-03.
How severe is CVE-2019-9838?: Medium severity. CVSS v3 base score is 6.1 out of 10.