How severe is CVE-2022-30304?

CVE-2022-30304 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.

Is CVE-2022-30304 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-30304?

CVE-2022-30304 primarily affects Fortinet Fortianalyzer. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-30304?

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

When was CVE-2022-30304 published?

CVE-2022-30304 was published on 2023-02-16 and last updated on 2026-06-17.

CVE-2022-30304

CVE-2022-30304 is a medium-severity vulnerability in Fortinet Fortianalyzer with a CVSS 3.x base score of 4.3. 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 4.3)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Fortinet Fortianalyzer
Published: 2023-02-16
Last modified: 2026-06-17

Description

An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiAnalyzer versions prior to 7.2.1, 7.0.4 and 6.4.8 may allow a remote unauthenticated attacker to perform a stored cross site scripting (XSS) attack via the URL parameter observed in the FortiWeb attack event logview in FortiAnalyzer.

Frequently asked questions

What is CVE-2022-30304?: An improper neutralization of input during web page generation vulnerability [CWE-79] in FortiAnalyzer versions prior to 7.2.1, 7.0.4 and 6.4.8 may allow a remote unauthenticated attacker to perform a stored cross site scripting (XSS) attack via the URL parameter observed in the FortiWeb attack event logview in FortiAnalyzer.
How severe is CVE-2022-30304?: CVE-2022-30304 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity low, and availability none.
Is CVE-2022-30304 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-30304?: CVE-2022-30304 primarily affects Fortinet Fortianalyzer. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-30304?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-30304 published?: CVE-2022-30304 was published on 2023-02-16 and last updated on 2026-06-17.

References

https://fortiguard.com/psirt/FG-IR-22-166

Affected products (3)

cpe:2.3:a:fortinet:fortianalyzer:*:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortianalyzer:7.2.0:*:*:*:*:*:*:*
cpe:2.3:a:fortinet:fortianalyzer:7.2.1:*:*:*:*:*:*:*

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