How severe is CVE-2023-29183?

CVE-2023-29183 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-29183 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-29183?

CVE-2023-29183 primarily affects Fortinet Fortiproxy. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2023-29183?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-29183 published?

CVE-2023-29183 was published on 2023-09-13 and last updated on 2026-06-17.

CVE-2023-29183

CVE-2023-29183 is a high-severity vulnerability in Fortinet Fortiproxy with a CVSS 3.x base score of 8.0. 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: High (CVSS 3.x base score 8.0)
EPSS exploit prediction: 1% (62nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Fortinet Fortiproxy
Published: 2023-09-13
Last modified: 2026-06-17

Description

An improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability [CWE-79] in FortiProxy 7.2.0 through 7.2.4, 7.0.0 through 7.0.10 and FortiOS 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.12, 6.2.0 through 6.2.14 GUI may allow an authenticated attacker to trigger malicious JavaScript code execution via crafted guest management setting.

Frequently asked questions

What is CVE-2023-29183?: An improper neutralization of input during web page generation ('Cross-site Scripting') vulnerability [CWE-79] in FortiProxy 7.2.0 through 7.2.4, 7.0.0 through 7.0.10 and FortiOS 7.2.0 through 7.2.4, 7.0.0 through 7.0.11, 6.4.0 through 6.4.12, 6.2.0 through 6.2.14 GUI may allow an authenticated attacker to trigger malicious JavaScript code execution via crafted guest management setting.
How severe is CVE-2023-29183?: CVE-2023-29183 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-29183 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-29183?: CVE-2023-29183 primarily affects Fortinet Fortiproxy. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2023-29183?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-29183 published?: CVE-2023-29183 was published on 2023-09-13 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-23-106

Affected products (2)

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

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