How severe is CVE-2023-0947?

CVE-2023-0947 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-2023-0947 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0947?

CVE-2023-0947 affects Flatpress. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-0947?

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-2023-0947 published?

CVE-2023-0947 was published on 2023-02-22 and last updated on 2026-06-17.

CVE-2023-0947

CVE-2023-0947 is a critical-severity vulnerability in Flatpress with a CVSS 3.x base score of 9.8. 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-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Flatpress
Published: 2023-02-22
Last modified: 2026-06-17

Description

Path Traversal in GitHub repository flatpressblog/flatpress prior to 1.3.

Frequently asked questions

What is CVE-2023-0947?: Path Traversal in GitHub repository flatpressblog/flatpress prior to 1.3.
How severe is CVE-2023-0947?: CVE-2023-0947 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-2023-0947 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0947?: CVE-2023-0947 affects Flatpress. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-0947?: 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-2023-0947 published?: CVE-2023-0947 was published on 2023-02-22 and last updated on 2026-06-17.

References

Affected products (1)

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

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CVE-2022-4606 — Critical (CVSS 9.8): PHP Remote File Inclusion in GitHub repository flatpressblog/flatpress prior to 1.3.
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CVE-2023-1105 — High (CVSS 8.1): External Control of File Name or Path in GitHub repository flatpressblog/flatpress prior to 1.3.
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