How severe is CVE-2025-4006?

CVE-2025-4006 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-4006 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-4006?

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

Does CVE-2025-4006 have an EU (EUVD) identifier?

Yes. CVE-2025-4006 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12547.

When was CVE-2025-4006 published?

CVE-2025-4006 was published on 2025-04-28 and last updated on 2026-06-17.

CVE-2025-4006

CVE-2025-4006 is a medium-severity vulnerability with a CVSS 3.x base score of 4.7. 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-284.

Key facts

Severity: Medium (CVSS 3.x base score 4.7)
CVSS v2: 5.8
CVSS v4: 5.1
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-12547
Weakness: CWE-284
Published: 2025-04-28
Last modified: 2026-06-17

Description

A vulnerability classified as critical has been found in youyiio BeyongCms 1.6.0. Affected is an unknown function of the file /admin/theme/Upload.html of the component Document Management Page. The manipulation of the argument File leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-4006?: A vulnerability classified as critical has been found in youyiio BeyongCms 1.6.0. Affected is an unknown function of the file /admin/theme/Upload.html of the component Document Management Page. The manipulation of the argument File leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-4006?: CVE-2025-4006 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-4006 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-4006?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-4006 have an EU (EUVD) identifier?: Yes. CVE-2025-4006 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12547.
When was CVE-2025-4006 published?: CVE-2025-4006 was published on 2025-04-28 and last updated on 2026-06-17.

References

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