How severe is CVE-2022-40048?

CVE-2022-40048 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-40048 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-40048?

CVE-2022-40048 affects Flatpress. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-40048?

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-2022-40048 published?

CVE-2022-40048 was published on 2022-09-29 and last updated on 2026-07-05.

CVE-2022-40048

CVE-2022-40048 is a high-severity vulnerability in Flatpress with a CVSS 3.x base score of 7.2. 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-434.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-434
Affected product: Flatpress
Published: 2022-09-29
Last modified: 2026-07-05

Description

Flatpress v1.2.1 was discovered to contain a remote code execution (RCE) vulnerability in the Upload File function.

Frequently asked questions

What is CVE-2022-40048?: Flatpress v1.2.1 was discovered to contain a remote code execution (RCE) vulnerability in the Upload File function.
How severe is CVE-2022-40048?: CVE-2022-40048 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-40048 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-40048?: CVE-2022-40048 affects Flatpress. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-40048?: 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-2022-40048 published?: CVE-2022-40048 was published on 2022-09-29 and last updated on 2026-07-05.

References

Affected products (1)

cpe:2.3:a:flatpress:flatpress:1.2.1:*:*:*:*:*:*:*

More vulnerabilities in Flatpress

CVE-2023-0947 — Critical (CVSS 9.8): Path Traversal in GitHub repository flatpressblog/flatpress prior to 1.3.
CVE-2022-4606 — Critical (CVSS 9.8): PHP Remote File Inclusion in GitHub repository flatpressblog/flatpress prior to 1.3.
CVE-2020-22761 — High (CVSS 8.8): Cross Site Request Forgery (CSRF) vulnerability in FlatPress 1.1 via the DeleteFile function in flat/admin.php.
CVE-2024-4023 — High (CVSS 8.1): A stored cross-site scripting (XSS) vulnerability exists in flatpressblog/flatpress version 1.3. When a user uploads a…
CVE-2024-41290 — High (CVSS 8.1): FlatPress CMS v1.3.1 1.3 was discovered to use insecure methods to store authentication data via the cookie's component.
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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