CVE-2025-15228

CRITICALNVD 9.89.8—

9.8

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.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 66.9%
KEV: Not listed

Published

December 29, 2025

Last Modified

December 31, 2025

Advisory Details (1)

Auto-updated May 29, 2026

No patch confirmed yet. Sources: cert.

cert

WELLTEND TECHNOLOGY｜ BPMFlow.NET - 2 Vulnerabilities-TWCERT/CC Taiwan Computer Emergency Response Team/Coordination Center

https://www.twcert.org.tw/en/cp-139-10605-426b6-2.html

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-434Unrestricted Upload of File with Dangerous Type

Data Freshness Timeline

(refreshed 14× in last 7d / 19× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-06 13:47 UTCepss_batch
2026-06-06 13:47 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
2026-06-05 22:46 UTCepss_batch
2026-06-05 06:10 UTCepss_batch
2026-06-05 06:10 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-04 13:11 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-31 00:16 UTCepss_batch
2026-05-29 16:55 UTCEG score recompute
2026-05-29 16:55 UTCGHSA enrichment
2026-05-29 13:44 UTCepss_batch

Frequently asked(5)

What is CVE-2025-15228?

CVE-2025-15228 is a critical vulnerability published on December 29, 2025. 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.

When was CVE-2025-15228 disclosed?

CVE-2025-15228 was first published in the National Vulnerability Database on December 29, 2025, with the most recent update on December 31, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-15228 actively exploited?

CVE-2025-15228 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 66.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-15228?

CVE-2025-15228 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2025-15228?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-15228, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2025-15228

📅 Published

🔄 Last Modified

📋 Advisory Details (1)

WELLTEND TECHNOLOGY｜ BPMFlow.NET - 2 Vulnerabilities-TWCERT/CC Taiwan Computer Emergency Response Team/Coordination Center

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-15228?

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Advisory Details (1)

Frequently asked(5)

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