How severe is CVE-2025-15228?

CVE-2025-15228 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-2025-15228 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-15228?

CVE-2025-15228 affects Welltend Bpmflowwebkit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-15228?

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.

Does CVE-2025-15228 have an EU (EUVD) identifier?

Yes. CVE-2025-15228 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-205563.

When was CVE-2025-15228 published?

CVE-2025-15228 was published on 2025-12-29 and last updated on 2026-06-17.

CVE-2025-15228

CVE-2025-15228 is a critical-severity vulnerability in Welltend Bpmflowwebkit 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-434.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v4: 9.3
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-205563
Weakness: CWE-434
Affected product: Welltend Bpmflowwebkit
Published: 2025-12-29
Last modified: 2026-06-17

Description

BPMFlowWebkit developed by WELLTEND TECHNOLOGY has a Arbitrary File Upload vulnerability, allowing unauthenticated remote attackers to upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.

Frequently asked questions

What is CVE-2025-15228?: BPMFlowWebkit developed by WELLTEND TECHNOLOGY has a Arbitrary File Upload vulnerability, allowing unauthenticated remote attackers to upload and execute web shell backdoors, thereby enabling arbitrary code execution on the server.
How severe is CVE-2025-15228?: CVE-2025-15228 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-2025-15228 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-15228?: CVE-2025-15228 affects Welltend Bpmflowwebkit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-15228?: 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.
Does CVE-2025-15228 have an EU (EUVD) identifier?: Yes. CVE-2025-15228 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-205563.
When was CVE-2025-15228 published?: CVE-2025-15228 was published on 2025-12-29 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:welltend:bpmflowwebkit:*:*:*:*:*:*:*:*

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