How severe is CVE-2019-15706?

CVE-2019-15706 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2019-15706 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15706?

CVE-2019-15706 primarily affects Fortinet Fortiproxy. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-15706?

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

Does CVE-2019-15706 have an EU (EUVD) identifier?

Yes. CVE-2019-15706 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6592.

When was CVE-2019-15706 published?

CVE-2019-15706 was published on 2025-03-17 and last updated on 2026-06-17.

CVE-2019-15706

CVE-2019-15706 is a medium-severity vulnerability in Fortinet Fortiproxy with a CVSS 3.x base score of 4.1. 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 4.1)
EPSS exploit prediction: 0% (32nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-6592
Weakness: CWE-79
Affected product: Fortinet Fortiproxy
Published: 2025-03-17
Last modified: 2026-06-17

Description

An improper neutralization of input during web page generation in the SSL VPN portal of FortiProxy version 2.0.0, version 1.2.9 and below and FortiOS version 6.2.1 and below, version 6.0.8 and below, version 5.6.12 may allow a remote authenticated attacker to perform a stored cross site scripting attack (XSS).

Frequently asked questions

What is CVE-2019-15706?: An improper neutralization of input during web page generation in the SSL VPN portal of FortiProxy version 2.0.0, version 1.2.9 and below and FortiOS version 6.2.1 and below, version 6.0.8 and below, version 5.6.12 may allow a remote authenticated attacker to perform a stored cross site scripting attack (XSS).
How severe is CVE-2019-15706?: CVE-2019-15706 has a CVSS 3.x base score of 4.1, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2019-15706 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (32nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15706?: CVE-2019-15706 primarily affects Fortinet Fortiproxy. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-15706?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2019-15706 have an EU (EUVD) identifier?: Yes. CVE-2019-15706 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-6592.
When was CVE-2019-15706 published?: CVE-2019-15706 was published on 2025-03-17 and last updated on 2026-06-17.

References

https://fortiguard.fortinet.com/psirt/FG-IR-19-223

Affected products (3)

cpe:2.3:a:fortinet:fortiproxy:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortiproxy:2.0.0:*:*:*:*:*:*:*
cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*

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