How severe is CVE-2022-4606?

CVE-2022-4606 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-4606 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 35% (98th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-4606?

CVE-2022-4606 affects Flatpress. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-4606?

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

When was CVE-2022-4606 published?

CVE-2022-4606 was published on 2022-12-18 and last updated on 2026-06-17.

CVE-2022-4606

CVE-2022-4606 is a critical-severity vulnerability in Flatpress with a CVSS 3.x base score of 9.8. Its EPSS exploit-prediction score of 35% places it in the 98th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-98.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 35% (98th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-98
Affected product: Flatpress
Published: 2022-12-18
Last modified: 2026-06-17

Description

PHP Remote File Inclusion in GitHub repository flatpressblog/flatpress prior to 1.3.

Frequently asked questions

What is CVE-2022-4606?: PHP Remote File Inclusion in GitHub repository flatpressblog/flatpress prior to 1.3.
How severe is CVE-2022-4606?: CVE-2022-4606 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-4606 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 35% (98th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-4606?: CVE-2022-4606 affects Flatpress. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-4606?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2022-4606 published?: CVE-2022-4606 was published on 2022-12-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:flatpress:flatpress:*:*:*:*:*:*:*:*

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