What is the CVSS score of EUVD-2025-16734?

EUVD-2025-16734 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 11.5%.

Which versions of Mailenable are affected by EUVD-2025-16734?

A critical vulnerability in MailEnable versions prior to v10 allows unauthenticated attackers to execute arbitrary code through the failure.aspx component, with public exploits already available.

Is there a public PoC exploit available for EUVD-2025-16734?

Yes, a public proof-of-concept exploit is available for EUVD-2025-16734. Prioritise patching immediately. EPSS: 11.5%.

How to fix or mitigate EUVD-2025-16734?

Within 24 hours: Identify and inventory all MailEnable deployments and their versions; isolate affected systems from untrusted networks if running pre-v10 versions. Within 7 days: Implement Web Application Firewall (WAF) rules to block malicious requests to failure.aspx; disable or restrict access to the failure.aspx component if operationally feasible; apply input validation and output encoding at the application layer. Within 30 days: Upgrade to MailEnable v10 or later; conduct threat hunting for signs of exploitation; review access logs for suspicious activity targeting failure.aspx.

Mailenable EUVD-2025-16734

| CVE-2025-44148 CRITICAL

Cross-site Scripting (XSS) (CWE-79)

2025-06-03 cve@mitre.org

RCE XSS Mailenable

9.8

CVSS 3.1 · Vendor: mitre

Severity by source

Vendor (mitre) PRIMARY

9.8 CRITICAL

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Primary rating from Vendor (mitre) · only source for this CVE.

CVSS VectorVendor: mitre

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

EUVD ID Assigned

Mar 14, 2026 - 17:04 euvd

EUVD-2025-16734

Analysis Generated

Mar 14, 2026 - 17:04 vuln.today

PoC Detected

Jun 09, 2025 - 18:04 vuln.today

Public exploit code

CVE Published

Jun 03, 2025 - 16:15 nvd

CRITICAL 9.8

DescriptionCVE.org

Cross Site Scripting (XSS) vulnerability in MailEnable before v10 allows a remote attacker to execute arbitrary code via the failure.aspx component

AnalysisAI

XSS in MailEnable before v10 via failure.aspx. EPSS 11.5%. PoC available.

Technical ContextAI

CWE-79.

RemediationAI

Update.

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EUVD-2025-16734 vulnerability details – vuln.today

Back

Mailenable EUVD-2025-16734

Severity by source

CVSS VectorVendor: mitre

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

More in Mailenable

Same weakness CWE-79 – Cross-site Scripting (XSS)

Same technique RCE

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External POC / Exploit Code