How severe is CVE-2019-9838?

CVE-2019-9838 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-9838 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-9838?

CVE-2019-9838 affects Vfront. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-9838?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-9838 published?

CVE-2019-9838 was published on 2019-06-03 and last updated on 2026-06-17.

CVE-2019-9838

CVE-2019-9838 is a medium-severity vulnerability in Vfront with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Vfront
Published: 2019-06-03
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2019-9838?: CVE-2019-9838 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-9838 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-9838?: CVE-2019-9838 affects Vfront. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-9838?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-9838 published?: CVE-2019-9838 was published on 2019-06-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:vfront:vfront:0.99.5:*:*:*:*:*:*:*

More vulnerabilities in Vfront

CVE-2021-39420 — Medium (CVSS 6.1): Multiple Cross Site Scripting (XSS) vulnerabilities exist in VFront 0.99.5 via the (1) s parameter in search_all.php…
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