How severe is CVE-2025-34506?

CVE-2025-34506 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-34506 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-34506?

CVE-2025-34506 affects Wbce Wbce Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-34506?

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.

Does CVE-2025-34506 have an EU (EUVD) identifier?

Yes. CVE-2025-34506 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202933.

When was CVE-2025-34506 published?

CVE-2025-34506 was published on 2025-12-11 and last updated on 2026-06-17.

CVE-2025-34506

CVE-2025-34506 is a high-severity vulnerability in Wbce Wbce Cms with a CVSS 3.x base score of 8.8. 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-434.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v4: 8.6
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-202933
Weakness: CWE-434
Affected product: Wbce Wbce Cms
Published: 2025-12-11
Last modified: 2026-06-17

Description

WBCE CMS version 1.6.3 and prior contains an authenticated remote code execution vulnerability that allows administrators to upload malicious modules. Attackers can craft a specially designed ZIP module with embedded PHP reverse shell code to gain remote system access when the module is installed.

Frequently asked questions

What is CVE-2025-34506?: WBCE CMS version 1.6.3 and prior contains an authenticated remote code execution vulnerability that allows administrators to upload malicious modules. Attackers can craft a specially designed ZIP module with embedded PHP reverse shell code to gain remote system access when the module is installed.
How severe is CVE-2025-34506?: CVE-2025-34506 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-34506 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-34506?: CVE-2025-34506 affects Wbce Wbce Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-34506?: 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.
Does CVE-2025-34506 have an EU (EUVD) identifier?: Yes. CVE-2025-34506 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-202933.
When was CVE-2025-34506 published?: CVE-2025-34506 was published on 2025-12-11 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wbce:wbce_cms:*:*:*:*:*:*:*:*

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