How severe is CVE-2022-29273?

CVE-2022-29273 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-2022-29273 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 60% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-29273?

CVE-2022-29273 primarily affects Netgate Pfsense. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-29273?

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

When was CVE-2022-29273 published?

CVE-2022-29273 was published on 2023-02-22 and last updated on 2026-06-17.

CVE-2022-29273

CVE-2022-29273 is a medium-severity vulnerability in Netgate Pfsense with a CVSS 3.x base score of 6.1. Its EPSS exploit-prediction score of 60% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 60% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Netgate Pfsense
Published: 2023-02-22
Last modified: 2026-06-17

Description

pfSense CE through 2.6.0 and pfSense Plus before 22.05 allow XSS in the WebGUI via URL Table Alias URL parameters.

Frequently asked questions

What is CVE-2022-29273?: pfSense CE through 2.6.0 and pfSense Plus before 22.05 allow XSS in the WebGUI via URL Table Alias URL parameters.
How severe is CVE-2022-29273?: CVE-2022-29273 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-2022-29273 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 60% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-29273?: CVE-2022-29273 primarily affects Netgate Pfsense. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-29273?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-29273 published?: CVE-2022-29273 was published on 2023-02-22 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:netgate:pfsense:*:*:*:*:community:*:*:*
cpe:2.3:a:netgate:pfsense:*:*:*:*:plus:*:*:*

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