How severe is CVE-2025-12347?

CVE-2025-12347 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-12347 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-12347?

CVE-2025-12347 affects Max-3000 Maxsite Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-12347?

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

Does CVE-2025-12347 have an EU (EUVD) identifier?

Yes. CVE-2025-12347 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-36424.

When was CVE-2025-12347 published?

CVE-2025-12347 was published on 2025-10-28 and last updated on 2026-06-17.

CVE-2025-12347

CVE-2025-12347 is a medium-severity vulnerability in Max-3000 Maxsite Cms with a CVSS 3.x base score of 6.3. 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-434.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 2.1
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-36424
Weakness: CWE-434
Affected product: Max-3000 Maxsite Cms
Published: 2025-10-28
Last modified: 2026-06-17

Description

A flaw has been found in MaxSite CMS up to 109. This issue affects some unknown processing of the file application/maxsite/admin/plugins/editor_files/save-file-ajax.php. Executing manipulation of the argument file_path/content can lead to unrestricted upload. The attack can be executed remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Frequently asked questions

What is CVE-2025-12347?: A flaw has been found in MaxSite CMS up to 109. This issue affects some unknown processing of the file application/maxsite/admin/plugins/editor_files/save-file-ajax.php. Executing manipulation of the argument file_path/content can lead to unrestricted upload. The attack can be executed remotely. The exploit has been published and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
How severe is CVE-2025-12347?: CVE-2025-12347 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-12347 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-12347?: CVE-2025-12347 affects Max-3000 Maxsite Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-12347?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-12347 have an EU (EUVD) identifier?: Yes. CVE-2025-12347 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-36424.
When was CVE-2025-12347 published?: CVE-2025-12347 was published on 2025-10-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:max-3000:maxsite_cms:*:*:*:*:*:*:*:*

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